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-rw-r--r--lib/Kconfig7
-rw-r--r--lib/decompress.c2
-rw-r--r--lib/decompress_bunzip2.c26
-rw-r--r--lib/decompress_inflate.c12
-rw-r--r--lib/decompress_unlz4.c83
-rw-r--r--lib/decompress_unlzma.c28
-rw-r--r--lib/decompress_unlzo.c12
-rw-r--r--lib/decompress_unxz.c10
-rw-r--r--lib/idr.c25
-rw-r--r--lib/kfifo.c6
-rw-r--r--lib/rbtree.c2
-rw-r--r--lib/scatterlist.c4
12 files changed, 123 insertions, 94 deletions
diff --git a/lib/Kconfig b/lib/Kconfig
index df872659ddd3..a5ce0c7f6c30 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -508,4 +508,11 @@ config UCS2_STRING
source "lib/fonts/Kconfig"
+#
+# sg chaining option
+#
+
+config ARCH_HAS_SG_CHAIN
+ def_bool n
+
endmenu
diff --git a/lib/decompress.c b/lib/decompress.c
index 86069d74c062..37f3c786348f 100644
--- a/lib/decompress.c
+++ b/lib/decompress.c
@@ -54,7 +54,7 @@ static const struct compress_format compressed_formats[] __initconst = {
{ {0, 0}, NULL, NULL }
};
-decompress_fn __init decompress_method(const unsigned char *inbuf, int len,
+decompress_fn __init decompress_method(const unsigned char *inbuf, long len,
const char **name)
{
const struct compress_format *cf;
diff --git a/lib/decompress_bunzip2.c b/lib/decompress_bunzip2.c
index 31c5f7675fbf..8290e0bef7ea 100644
--- a/lib/decompress_bunzip2.c
+++ b/lib/decompress_bunzip2.c
@@ -92,8 +92,8 @@ struct bunzip_data {
/* State for interrupting output loop */
int writeCopies, writePos, writeRunCountdown, writeCount, writeCurrent;
/* I/O tracking data (file handles, buffers, positions, etc.) */
- int (*fill)(void*, unsigned int);
- int inbufCount, inbufPos /*, outbufPos*/;
+ long (*fill)(void*, unsigned long);
+ long inbufCount, inbufPos /*, outbufPos*/;
unsigned char *inbuf /*,*outbuf*/;
unsigned int inbufBitCount, inbufBits;
/* The CRC values stored in the block header and calculated from the
@@ -617,7 +617,7 @@ decode_next_byte:
goto decode_next_byte;
}
-static int INIT nofill(void *buf, unsigned int len)
+static long INIT nofill(void *buf, unsigned long len)
{
return -1;
}
@@ -625,8 +625,8 @@ static int INIT nofill(void *buf, unsigned int len)
/* Allocate the structure, read file header. If in_fd ==-1, inbuf must contain
a complete bunzip file (len bytes long). If in_fd!=-1, inbuf and len are
ignored, and data is read from file handle into temporary buffer. */
-static int INIT start_bunzip(struct bunzip_data **bdp, void *inbuf, int len,
- int (*fill)(void*, unsigned int))
+static int INIT start_bunzip(struct bunzip_data **bdp, void *inbuf, long len,
+ long (*fill)(void*, unsigned long))
{
struct bunzip_data *bd;
unsigned int i, j, c;
@@ -675,11 +675,11 @@ static int INIT start_bunzip(struct bunzip_data **bdp, void *inbuf, int len,
/* Example usage: decompress src_fd to dst_fd. (Stops at end of bzip2 data,
not end of file.) */
-STATIC int INIT bunzip2(unsigned char *buf, int len,
- int(*fill)(void*, unsigned int),
- int(*flush)(void*, unsigned int),
+STATIC int INIT bunzip2(unsigned char *buf, long len,
+ long (*fill)(void*, unsigned long),
+ long (*flush)(void*, unsigned long),
unsigned char *outbuf,
- int *pos,
+ long *pos,
void(*error)(char *x))
{
struct bunzip_data *bd;
@@ -743,11 +743,11 @@ exit_0:
}
#ifdef PREBOOT
-STATIC int INIT decompress(unsigned char *buf, int len,
- int(*fill)(void*, unsigned int),
- int(*flush)(void*, unsigned int),
+STATIC int INIT decompress(unsigned char *buf, long len,
+ long (*fill)(void*, unsigned long),
+ long (*flush)(void*, unsigned long),
unsigned char *outbuf,
- int *pos,
+ long *pos,
void(*error)(char *x))
{
return bunzip2(buf, len - 4, fill, flush, outbuf, pos, error);
diff --git a/lib/decompress_inflate.c b/lib/decompress_inflate.c
index 0edfd742a154..d4c7891635ec 100644
--- a/lib/decompress_inflate.c
+++ b/lib/decompress_inflate.c
@@ -27,17 +27,17 @@
#define GZIP_IOBUF_SIZE (16*1024)
-static int INIT nofill(void *buffer, unsigned int len)
+static long INIT nofill(void *buffer, unsigned long len)
{
return -1;
}
/* Included from initramfs et al code */
-STATIC int INIT gunzip(unsigned char *buf, int len,
- int(*fill)(void*, unsigned int),
- int(*flush)(void*, unsigned int),
+STATIC int INIT gunzip(unsigned char *buf, long len,
+ long (*fill)(void*, unsigned long),
+ long (*flush)(void*, unsigned long),
unsigned char *out_buf,
- int *pos,
+ long *pos,
void(*error)(char *x)) {
u8 *zbuf;
struct z_stream_s *strm;
@@ -142,7 +142,7 @@ STATIC int INIT gunzip(unsigned char *buf, int len,
/* Write any data generated */
if (flush && strm->next_out > out_buf) {
- int l = strm->next_out - out_buf;
+ long l = strm->next_out - out_buf;
if (l != flush(out_buf, l)) {
rc = -1;
error("write error");
diff --git a/lib/decompress_unlz4.c b/lib/decompress_unlz4.c
index 7d1e83caf8ad..40f66ebe57b7 100644
--- a/lib/decompress_unlz4.c
+++ b/lib/decompress_unlz4.c
@@ -31,10 +31,10 @@
#define LZ4_DEFAULT_UNCOMPRESSED_CHUNK_SIZE (8 << 20)
#define ARCHIVE_MAGICNUMBER 0x184C2102
-STATIC inline int INIT unlz4(u8 *input, int in_len,
- int (*fill) (void *, unsigned int),
- int (*flush) (void *, unsigned int),
- u8 *output, int *posp,
+STATIC inline int INIT unlz4(u8 *input, long in_len,
+ long (*fill)(void *, unsigned long),
+ long (*flush)(void *, unsigned long),
+ u8 *output, long *posp,
void (*error) (char *x))
{
int ret = -1;
@@ -43,7 +43,7 @@ STATIC inline int INIT unlz4(u8 *input, int in_len,
u8 *inp;
u8 *inp_start;
u8 *outp;
- int size = in_len;
+ long size = in_len;
#ifdef PREBOOT
size_t out_len = get_unaligned_le32(input + in_len);
#endif
@@ -83,13 +83,20 @@ STATIC inline int INIT unlz4(u8 *input, int in_len,
if (posp)
*posp = 0;
- if (fill)
- fill(inp, 4);
+ if (fill) {
+ size = fill(inp, 4);
+ if (size < 4) {
+ error("data corrupted");
+ goto exit_2;
+ }
+ }
chunksize = get_unaligned_le32(inp);
if (chunksize == ARCHIVE_MAGICNUMBER) {
- inp += 4;
- size -= 4;
+ if (!fill) {
+ inp += 4;
+ size -= 4;
+ }
} else {
error("invalid header");
goto exit_2;
@@ -100,29 +107,44 @@ STATIC inline int INIT unlz4(u8 *input, int in_len,
for (;;) {
- if (fill)
- fill(inp, 4);
+ if (fill) {
+ size = fill(inp, 4);
+ if (size == 0)
+ break;
+ if (size < 4) {
+ error("data corrupted");
+ goto exit_2;
+ }
+ }
chunksize = get_unaligned_le32(inp);
if (chunksize == ARCHIVE_MAGICNUMBER) {
- inp += 4;
- size -= 4;
+ if (!fill) {
+ inp += 4;
+ size -= 4;
+ }
if (posp)
*posp += 4;
continue;
}
- inp += 4;
- size -= 4;
+
if (posp)
*posp += 4;
- if (fill) {
+ if (!fill) {
+ inp += 4;
+ size -= 4;
+ } else {
if (chunksize > lz4_compressbound(uncomp_chunksize)) {
error("chunk length is longer than allocated");
goto exit_2;
}
- fill(inp, chunksize);
+ size = fill(inp, chunksize);
+ if (size < chunksize) {
+ error("data corrupted");
+ goto exit_2;
+ }
}
#ifdef PREBOOT
if (out_len >= uncomp_chunksize) {
@@ -149,18 +171,17 @@ STATIC inline int INIT unlz4(u8 *input, int in_len,
if (posp)
*posp += chunksize;
- size -= chunksize;
+ if (!fill) {
+ size -= chunksize;
- if (size == 0)
- break;
- else if (size < 0) {
- error("data corrupted");
- goto exit_2;
+ if (size == 0)
+ break;
+ else if (size < 0) {
+ error("data corrupted");
+ goto exit_2;
+ }
+ inp += chunksize;
}
-
- inp += chunksize;
- if (fill)
- inp = inp_start;
}
ret = 0;
@@ -175,11 +196,11 @@ exit_0:
}
#ifdef PREBOOT
-STATIC int INIT decompress(unsigned char *buf, int in_len,
- int(*fill)(void*, unsigned int),
- int(*flush)(void*, unsigned int),
+STATIC int INIT decompress(unsigned char *buf, long in_len,
+ long (*fill)(void*, unsigned long),
+ long (*flush)(void*, unsigned long),
unsigned char *output,
- int *posp,
+ long *posp,
void(*error)(char *x)
)
{
diff --git a/lib/decompress_unlzma.c b/lib/decompress_unlzma.c
index 32adb73a9038..0be83af62b88 100644
--- a/lib/decompress_unlzma.c
+++ b/lib/decompress_unlzma.c
@@ -65,11 +65,11 @@ static long long INIT read_int(unsigned char *ptr, int size)
#define LZMA_IOBUF_SIZE 0x10000
struct rc {
- int (*fill)(void*, unsigned int);
+ long (*fill)(void*, unsigned long);
uint8_t *ptr;
uint8_t *buffer;
uint8_t *buffer_end;
- int buffer_size;
+ long buffer_size;
uint32_t code;
uint32_t range;
uint32_t bound;
@@ -82,7 +82,7 @@ struct rc {
#define RC_MODEL_TOTAL_BITS 11
-static int INIT nofill(void *buffer, unsigned int len)
+static long INIT nofill(void *buffer, unsigned long len)
{
return -1;
}
@@ -99,8 +99,8 @@ static void INIT rc_read(struct rc *rc)
/* Called once */
static inline void INIT rc_init(struct rc *rc,
- int (*fill)(void*, unsigned int),
- char *buffer, int buffer_size)
+ long (*fill)(void*, unsigned long),
+ char *buffer, long buffer_size)
{
if (fill)
rc->fill = fill;
@@ -280,7 +280,7 @@ struct writer {
size_t buffer_pos;
int bufsize;
size_t global_pos;
- int(*flush)(void*, unsigned int);
+ long (*flush)(void*, unsigned long);
struct lzma_header *header;
};
@@ -534,11 +534,11 @@ static inline int INIT process_bit1(struct writer *wr, struct rc *rc,
-STATIC inline int INIT unlzma(unsigned char *buf, int in_len,
- int(*fill)(void*, unsigned int),
- int(*flush)(void*, unsigned int),
+STATIC inline int INIT unlzma(unsigned char *buf, long in_len,
+ long (*fill)(void*, unsigned long),
+ long (*flush)(void*, unsigned long),
unsigned char *output,
- int *posp,
+ long *posp,
void(*error)(char *x)
)
{
@@ -667,11 +667,11 @@ exit_0:
}
#ifdef PREBOOT
-STATIC int INIT decompress(unsigned char *buf, int in_len,
- int(*fill)(void*, unsigned int),
- int(*flush)(void*, unsigned int),
+STATIC int INIT decompress(unsigned char *buf, long in_len,
+ long (*fill)(void*, unsigned long),
+ long (*flush)(void*, unsigned long),
unsigned char *output,
- int *posp,
+ long *posp,
void(*error)(char *x)
)
{
diff --git a/lib/decompress_unlzo.c b/lib/decompress_unlzo.c
index 960183d4258f..b94a31bdd87d 100644
--- a/lib/decompress_unlzo.c
+++ b/lib/decompress_unlzo.c
@@ -51,7 +51,7 @@ static const unsigned char lzop_magic[] = {
#define HEADER_SIZE_MIN (9 + 7 + 4 + 8 + 1 + 4)
#define HEADER_SIZE_MAX (9 + 7 + 1 + 8 + 8 + 4 + 1 + 255 + 4)
-STATIC inline int INIT parse_header(u8 *input, int *skip, int in_len)
+STATIC inline long INIT parse_header(u8 *input, long *skip, long in_len)
{
int l;
u8 *parse = input;
@@ -108,14 +108,14 @@ STATIC inline int INIT parse_header(u8 *input, int *skip, int in_len)
return 1;
}
-STATIC inline int INIT unlzo(u8 *input, int in_len,
- int (*fill) (void *, unsigned int),
- int (*flush) (void *, unsigned int),
- u8 *output, int *posp,
+STATIC int INIT unlzo(u8 *input, long in_len,
+ long (*fill)(void *, unsigned long),
+ long (*flush)(void *, unsigned long),
+ u8 *output, long *posp,
void (*error) (char *x))
{
u8 r = 0;
- int skip = 0;
+ long skip = 0;
u32 src_len, dst_len;
size_t tmp;
u8 *in_buf, *in_buf_save, *out_buf;
diff --git a/lib/decompress_unxz.c b/lib/decompress_unxz.c
index 9f34eb56854d..b07a78340e9d 100644
--- a/lib/decompress_unxz.c
+++ b/lib/decompress_unxz.c
@@ -248,10 +248,10 @@ void *memmove(void *dest, const void *src, size_t size)
* both input and output buffers are available as a single chunk, i.e. when
* fill() and flush() won't be used.
*/
-STATIC int INIT unxz(unsigned char *in, int in_size,
- int (*fill)(void *dest, unsigned int size),
- int (*flush)(void *src, unsigned int size),
- unsigned char *out, int *in_used,
+STATIC int INIT unxz(unsigned char *in, long in_size,
+ long (*fill)(void *dest, unsigned long size),
+ long (*flush)(void *src, unsigned long size),
+ unsigned char *out, long *in_used,
void (*error)(char *x))
{
struct xz_buf b;
@@ -329,7 +329,7 @@ STATIC int INIT unxz(unsigned char *in, int in_size,
* returned by xz_dec_run(), but probably
* it's not too bad.
*/
- if (flush(b.out, b.out_pos) != (int)b.out_pos)
+ if (flush(b.out, b.out_pos) != (long)b.out_pos)
ret = XZ_BUF_ERROR;
b.out_pos = 0;
diff --git a/lib/idr.c b/lib/idr.c
index 39158abebad1..50be3fa9b657 100644
--- a/lib/idr.c
+++ b/lib/idr.c
@@ -590,26 +590,27 @@ static void __idr_remove_all(struct idr *idp)
struct idr_layer **paa = &pa[0];
n = idp->layers * IDR_BITS;
- p = idp->top;
+ *paa = idp->top;
RCU_INIT_POINTER(idp->top, NULL);
max = idr_max(idp->layers);
id = 0;
while (id >= 0 && id <= max) {
+ p = *paa;
while (n > IDR_BITS && p) {
n -= IDR_BITS;
- *paa++ = p;
p = p->ary[(id >> n) & IDR_MASK];
+ *++paa = p;
}
bt_mask = id;
id += 1 << n;
/* Get the highest bit that the above add changed from 0->1. */
while (n < fls(id ^ bt_mask)) {
- if (p)
- free_layer(idp, p);
+ if (*paa)
+ free_layer(idp, *paa);
n += IDR_BITS;
- p = *--paa;
+ --paa;
}
}
idp->layers = 0;
@@ -692,15 +693,16 @@ int idr_for_each(struct idr *idp,
struct idr_layer **paa = &pa[0];
n = idp->layers * IDR_BITS;
- p = rcu_dereference_raw(idp->top);
+ *paa = rcu_dereference_raw(idp->top);
max = idr_max(idp->layers);
id = 0;
while (id >= 0 && id <= max) {
+ p = *paa;
while (n > 0 && p) {
n -= IDR_BITS;
- *paa++ = p;
p = rcu_dereference_raw(p->ary[(id >> n) & IDR_MASK]);
+ *++paa = p;
}
if (p) {
@@ -712,7 +714,7 @@ int idr_for_each(struct idr *idp,
id += 1 << n;
while (n < fls(id)) {
n += IDR_BITS;
- p = *--paa;
+ --paa;
}
}
@@ -740,17 +742,18 @@ void *idr_get_next(struct idr *idp, int *nextidp)
int n, max;
/* find first ent */
- p = rcu_dereference_raw(idp->top);
+ p = *paa = rcu_dereference_raw(idp->top);
if (!p)
return NULL;
n = (p->layer + 1) * IDR_BITS;
max = idr_max(p->layer + 1);
while (id >= 0 && id <= max) {
+ p = *paa;
while (n > 0 && p) {
n -= IDR_BITS;
- *paa++ = p;
p = rcu_dereference_raw(p->ary[(id >> n) & IDR_MASK]);
+ *++paa = p;
}
if (p) {
@@ -768,7 +771,7 @@ void *idr_get_next(struct idr *idp, int *nextidp)
id = round_up(id + 1, 1 << n);
while (n < fls(id)) {
n += IDR_BITS;
- p = *--paa;
+ --paa;
}
}
return NULL;
diff --git a/lib/kfifo.c b/lib/kfifo.c
index d79b9d222065..90ba1eb1df06 100644
--- a/lib/kfifo.c
+++ b/lib/kfifo.c
@@ -561,8 +561,7 @@ EXPORT_SYMBOL(__kfifo_to_user_r);
unsigned int __kfifo_dma_in_prepare_r(struct __kfifo *fifo,
struct scatterlist *sgl, int nents, unsigned int len, size_t recsize)
{
- if (!nents)
- BUG();
+ BUG_ON(!nents);
len = __kfifo_max_r(len, recsize);
@@ -585,8 +584,7 @@ EXPORT_SYMBOL(__kfifo_dma_in_finish_r);
unsigned int __kfifo_dma_out_prepare_r(struct __kfifo *fifo,
struct scatterlist *sgl, int nents, unsigned int len, size_t recsize)
{
- if (!nents)
- BUG();
+ BUG_ON(!nents);
len = __kfifo_max_r(len, recsize);
diff --git a/lib/rbtree.c b/lib/rbtree.c
index 65f4effd117f..c16c81a3d430 100644
--- a/lib/rbtree.c
+++ b/lib/rbtree.c
@@ -101,7 +101,7 @@ __rb_insert(struct rb_node *node, struct rb_root *root,
* / \ / \
* p u --> P U
* / /
- * n N
+ * n n
*
* However, since g's parent might be red, and
* 4) does not allow this, we need to recurse
diff --git a/lib/scatterlist.c b/lib/scatterlist.c
index b4415fceb7e7..9cdf62f8accd 100644
--- a/lib/scatterlist.c
+++ b/lib/scatterlist.c
@@ -73,7 +73,7 @@ EXPORT_SYMBOL(sg_nents);
**/
struct scatterlist *sg_last(struct scatterlist *sgl, unsigned int nents)
{
-#ifndef ARCH_HAS_SG_CHAIN
+#ifndef CONFIG_ARCH_HAS_SG_CHAIN
struct scatterlist *ret = &sgl[nents - 1];
#else
struct scatterlist *sg, *ret = NULL;
@@ -255,7 +255,7 @@ int __sg_alloc_table(struct sg_table *table, unsigned int nents,
if (nents == 0)
return -EINVAL;
-#ifndef ARCH_HAS_SG_CHAIN
+#ifndef CONFIG_ARCH_HAS_SG_CHAIN
if (WARN_ON_ONCE(nents > max_ents))
return -EINVAL;
#endif