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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-04-17 09:04:38 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-04-17 09:04:38 -0400 |
| commit | 54e514b91b95d6441c12a7955addfb9f9d2afc65 (patch) | |
| tree | 8b73d901bd2a6ec5a31f34a8954e5ea92216dd6c /fs/adfs/super.c | |
| parent | 4fc8adcfec3da639da76e8314c9ccefe5bf9a045 (diff) | |
| parent | 6c8c90319c0bb1c9e0b68e721359b89ae4f28465 (diff) | |
| download | linux-54e514b91b95d6441c12a7955addfb9f9d2afc65.tar.bz2 | |
Merge branch 'akpm' (patches from Andrew)
Merge third patchbomb from Andrew Morton:
- various misc things
- a couple of lib/ optimisations
- provide DIV_ROUND_CLOSEST_ULL()
- checkpatch updates
- rtc tree
- befs, nilfs2, hfs, hfsplus, fatfs, adfs, affs, bfs
- ptrace fixes
- fork() fixes
- seccomp cleanups
- more mmap_sem hold time reductions from Davidlohr
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (138 commits)
proc: show locks in /proc/pid/fdinfo/X
docs: add missing and new /proc/PID/status file entries, fix typos
drivers/rtc/rtc-at91rm9200.c: make IO endian agnostic
Documentation/spi/spidev_test.c: fix warning
drivers/rtc/rtc-s5m.c: allow usage on device type different than main MFD type
.gitignore: ignore *.tar
MAINTAINERS: add Mediatek SoC mailing list
tomoyo: reduce mmap_sem hold for mm->exe_file
powerpc/oprofile: reduce mmap_sem hold for exe_file
oprofile: reduce mmap_sem hold for mm->exe_file
mips: ip32: add platform data hooks to use DS1685 driver
lib/Kconfig: fix up HAVE_ARCH_BITREVERSE help text
x86: switch to using asm-generic for seccomp.h
sparc: switch to using asm-generic for seccomp.h
powerpc: switch to using asm-generic for seccomp.h
parisc: switch to using asm-generic for seccomp.h
mips: switch to using asm-generic for seccomp.h
microblaze: use asm-generic for seccomp.h
arm: use asm-generic for seccomp.h
seccomp: allow COMPAT sigreturn overrides
...
Diffstat (limited to 'fs/adfs/super.c')
| -rw-r--r-- | fs/adfs/super.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/fs/adfs/super.c b/fs/adfs/super.c index 9852bdf34d76..a19c31d3f369 100644 --- a/fs/adfs/super.c +++ b/fs/adfs/super.c @@ -316,7 +316,7 @@ static struct adfs_discmap *adfs_read_map(struct super_block *sb, struct adfs_di dm = kmalloc(nzones * sizeof(*dm), GFP_KERNEL); if (dm == NULL) { adfs_error(sb, "not enough memory"); - return NULL; + return ERR_PTR(-ENOMEM); } for (zone = 0; zone < nzones; zone++, map_addr++) { @@ -349,7 +349,7 @@ error_free: brelse(dm[zone].dm_bh); kfree(dm); - return NULL; + return ERR_PTR(-EIO); } static inline unsigned long adfs_discsize(struct adfs_discrecord *dr, int block_bits) @@ -370,6 +370,7 @@ static int adfs_fill_super(struct super_block *sb, void *data, int silent) unsigned char *b_data; struct adfs_sb_info *asb; struct inode *root; + int ret = -EINVAL; sb->s_flags |= MS_NODIRATIME; @@ -391,6 +392,7 @@ static int adfs_fill_super(struct super_block *sb, void *data, int silent) sb_set_blocksize(sb, BLOCK_SIZE); if (!(bh = sb_bread(sb, ADFS_DISCRECORD / BLOCK_SIZE))) { adfs_error(sb, "unable to read superblock"); + ret = -EIO; goto error; } @@ -400,6 +402,7 @@ static int adfs_fill_super(struct super_block *sb, void *data, int silent) if (!silent) printk("VFS: Can't find an adfs filesystem on dev " "%s.\n", sb->s_id); + ret = -EINVAL; goto error_free_bh; } @@ -412,6 +415,7 @@ static int adfs_fill_super(struct super_block *sb, void *data, int silent) if (!silent) printk("VPS: Can't find an adfs filesystem on dev " "%s.\n", sb->s_id); + ret = -EINVAL; goto error_free_bh; } @@ -421,11 +425,13 @@ static int adfs_fill_super(struct super_block *sb, void *data, int silent) if (!bh) { adfs_error(sb, "couldn't read superblock on " "2nd try."); + ret = -EIO; goto error; } b_data = bh->b_data + (ADFS_DISCRECORD % sb->s_blocksize); if (adfs_checkbblk(b_data)) { adfs_error(sb, "disc record mismatch, very weird!"); + ret = -EINVAL; goto error_free_bh; } dr = (struct adfs_discrecord *)(b_data + ADFS_DR_OFFSET); @@ -433,6 +439,7 @@ static int adfs_fill_super(struct super_block *sb, void *data, int silent) if (!silent) printk(KERN_ERR "VFS: Unsupported blocksize on dev " "%s.\n", sb->s_id); + ret = -EINVAL; goto error; } @@ -447,10 +454,12 @@ static int adfs_fill_super(struct super_block *sb, void *data, int silent) asb->s_size = adfs_discsize(dr, sb->s_blocksize_bits); asb->s_version = dr->format_version; asb->s_log2sharesize = dr->log2sharesize; - + asb->s_map = adfs_read_map(sb, dr); - if (!asb->s_map) + if (IS_ERR(asb->s_map)) { + ret = PTR_ERR(asb->s_map); goto error_free_bh; + } brelse(bh); @@ -499,6 +508,7 @@ static int adfs_fill_super(struct super_block *sb, void *data, int silent) brelse(asb->s_map[i].dm_bh); kfree(asb->s_map); adfs_error(sb, "get root inode failed\n"); + ret = -EIO; goto error; } return 0; @@ -508,7 +518,7 @@ error_free_bh: error: sb->s_fs_info = NULL; kfree(asb); - return -EINVAL; + return ret; } static struct dentry *adfs_mount(struct file_system_type *fs_type, |