diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-11 17:36:55 -0500 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-11 17:36:55 -0500 |
commit | 40c73abbb37e399eba274fe49e520ffa3dd65bdb (patch) | |
tree | 11ee28f09a2455c7134964f7f09e16a93d058c13 /fs/ext3/dir.c | |
parent | 0945f352ce1520765296fc2b07e50055c847d39d (diff) | |
parent | d96336b05d718b03ff03c94c0dc0cc283a29d534 (diff) |
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6:
ext2: Resolve 'dereferencing pointer to incomplete type' when enabling EXT2_XATTR_DEBUG
ext3: Remove redundant unlikely()
ext2: Remove redundant unlikely()
ext3: speed up file creates by optimizing rec_len functions
ext2: speed up file creates by optimizing rec_len functions
ext3: Add more journal error check
ext3: Add journal error check in resize.c
quota: Use %pV and __attribute__((format (printf in __quota_error and fix fallout
ext3: Add FITRIM handling
ext3: Add batched discard support for ext3
ext3: Add journal error check into ext3_rename()
ext3: Use search_dirblock() in ext3_dx_find_entry()
ext3: Avoid uninitialized memory references with a corrupted htree directory
ext3: Return error code from generic_check_addressable
ext3: Add journal error check into ext3_delete_entry()
ext3: Add error check in ext3_mkdir()
fs/ext3/super.c: Use printf extension %pV
fs/ext2/super.c: Use printf extension %pV
ext3: don't update sb journal_devnum when RO dev
Diffstat (limited to 'fs/ext3/dir.c')
-rw-r--r-- | fs/ext3/dir.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/fs/ext3/dir.c b/fs/ext3/dir.c index e2e72c367cf6..34f0a072b935 100644 --- a/fs/ext3/dir.c +++ b/fs/ext3/dir.c | |||
@@ -69,25 +69,26 @@ int ext3_check_dir_entry (const char * function, struct inode * dir, | |||
69 | const char * error_msg = NULL; | 69 | const char * error_msg = NULL; |
70 | const int rlen = ext3_rec_len_from_disk(de->rec_len); | 70 | const int rlen = ext3_rec_len_from_disk(de->rec_len); |
71 | 71 | ||
72 | if (rlen < EXT3_DIR_REC_LEN(1)) | 72 | if (unlikely(rlen < EXT3_DIR_REC_LEN(1))) |
73 | error_msg = "rec_len is smaller than minimal"; | 73 | error_msg = "rec_len is smaller than minimal"; |
74 | else if (rlen % 4 != 0) | 74 | else if (unlikely(rlen % 4 != 0)) |
75 | error_msg = "rec_len % 4 != 0"; | 75 | error_msg = "rec_len % 4 != 0"; |
76 | else if (rlen < EXT3_DIR_REC_LEN(de->name_len)) | 76 | else if (unlikely(rlen < EXT3_DIR_REC_LEN(de->name_len))) |
77 | error_msg = "rec_len is too small for name_len"; | 77 | error_msg = "rec_len is too small for name_len"; |
78 | else if (((char *) de - bh->b_data) + rlen > dir->i_sb->s_blocksize) | 78 | else if (unlikely((((char *) de - bh->b_data) + rlen > dir->i_sb->s_blocksize))) |
79 | error_msg = "directory entry across blocks"; | 79 | error_msg = "directory entry across blocks"; |
80 | else if (le32_to_cpu(de->inode) > | 80 | else if (unlikely(le32_to_cpu(de->inode) > |
81 | le32_to_cpu(EXT3_SB(dir->i_sb)->s_es->s_inodes_count)) | 81 | le32_to_cpu(EXT3_SB(dir->i_sb)->s_es->s_inodes_count))) |
82 | error_msg = "inode out of bounds"; | 82 | error_msg = "inode out of bounds"; |
83 | 83 | ||
84 | if (error_msg != NULL) | 84 | if (unlikely(error_msg != NULL)) |
85 | ext3_error (dir->i_sb, function, | 85 | ext3_error (dir->i_sb, function, |
86 | "bad entry in directory #%lu: %s - " | 86 | "bad entry in directory #%lu: %s - " |
87 | "offset=%lu, inode=%lu, rec_len=%d, name_len=%d", | 87 | "offset=%lu, inode=%lu, rec_len=%d, name_len=%d", |
88 | dir->i_ino, error_msg, offset, | 88 | dir->i_ino, error_msg, offset, |
89 | (unsigned long) le32_to_cpu(de->inode), | 89 | (unsigned long) le32_to_cpu(de->inode), |
90 | rlen, de->name_len); | 90 | rlen, de->name_len); |
91 | |||
91 | return error_msg == NULL ? 1 : 0; | 92 | return error_msg == NULL ? 1 : 0; |
92 | } | 93 | } |
93 | 94 | ||