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authorMarek Vasut <marex@denx.de>2014-04-24 20:05:18 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2014-05-08 21:58:09 +0800
commit1e16322da45b747c753162e421b7a1b25259377a (patch)
tree15fad0338e05cdbc50d92c4f2d9f2a798f355da4
parent526243cc872398ed8139a52ee0bf7715a3abcf31 (diff)
downloadlinux-1e16322da45b747c753162e421b7a1b25259377a.tar.bz2
crypto: caam - Clean up report_ccb_status()
Clean this function up and rework it into sensible shape. This function now contains one single dev_err() instead of the previous insanity full of memory allocation, possible stack overwriting, chaotic string handling and use of SPRINTFCAT(). Signed-off-by: Marek Vasut <marex@denx.de> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: Horia Geanta <horia.geanta@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
-rw-r--r--drivers/crypto/caam/error.c45
1 files changed, 20 insertions, 25 deletions
diff --git a/drivers/crypto/caam/error.c b/drivers/crypto/caam/error.c
index aa7d5cf2a294..91cc5fc7670f 100644
--- a/drivers/crypto/caam/error.c
+++ b/drivers/crypto/caam/error.c
@@ -171,46 +171,41 @@ static const char * const rng_err_id_list[] = {
static void report_ccb_status(struct device *jrdev, u32 status,
const char *error, char *__outstr)
{
- char outstr[CAAM_ERROR_STR_MAX];
-
u8 cha_id = (status & JRSTA_CCBERR_CHAID_MASK) >>
JRSTA_CCBERR_CHAID_SHIFT;
u8 err_id = status & JRSTA_CCBERR_ERRID_MASK;
u8 idx = (status & JRSTA_DECOERR_INDEX_MASK) >>
JRSTA_DECOERR_INDEX_SHIFT;
-
- sprintf(outstr, "%s: ", error);
+ char *idx_str;
+ const char *cha_str = "unidentified cha_id value 0x";
+ char cha_err_code[3] = { 0 };
+ const char *err_str = "unidentified err_id value 0x";
+ char err_err_code[3] = { 0 };
if (status & JRSTA_DECOERR_JUMP)
- strcat(outstr, "jump tgt desc idx ");
+ idx_str = "jump tgt desc idx";
else
- strcat(outstr, "desc idx ");
-
- SPRINTFCAT(outstr, "%d: ", idx, sizeof("255"));
+ idx_str = "desc idx";
- if (cha_id < ARRAY_SIZE(cha_id_list)) {
- SPRINTFCAT(outstr, "%s: ", cha_id_list[cha_id],
- strlen(cha_id_list[cha_id]));
- } else {
- SPRINTFCAT(outstr, "unidentified cha_id value 0x%02x: ",
- cha_id, sizeof("ff"));
- }
+ if (cha_id < ARRAY_SIZE(cha_id_list))
+ cha_str = cha_id_list[cha_id];
+ else
+ snprintf(cha_err_code, sizeof(cha_err_code), "%02x", cha_id);
if ((cha_id << JRSTA_CCBERR_CHAID_SHIFT) == JRSTA_CCBERR_CHAID_RNG &&
err_id < ARRAY_SIZE(rng_err_id_list) &&
strlen(rng_err_id_list[err_id])) {
/* RNG-only error */
- SPRINTFCAT(outstr, "%s", rng_err_id_list[err_id],
- strlen(rng_err_id_list[err_id]));
- } else if (err_id < ARRAY_SIZE(err_id_list)) {
- SPRINTFCAT(outstr, "%s", err_id_list[err_id],
- strlen(err_id_list[err_id]));
- } else {
- SPRINTFCAT(outstr, "unidentified err_id value 0x%02x",
- err_id, sizeof("ff"));
- }
+ err_str = rng_err_id_list[err_id];
+ } else if (err_id < ARRAY_SIZE(err_id_list))
+ err_str = err_id_list[err_id];
+ else
+ snprintf(err_err_code, sizeof(err_err_code), "%02x", err_id);
- dev_err(jrdev, "%08x: %s\n", status, outstr);
+ dev_err(jrdev, "%08x: %s: %s %d: %s%s: %s%s\n",
+ status, error, idx_str, idx,
+ cha_str, cha_err_code,
+ err_str, err_err_code);
}
static void report_jump_status(struct device *jrdev, u32 status,