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| author | Jean Delvare <khali@linux-fr.org> | 2008-05-12 14:02:33 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-05-13 08:02:26 -0700 |
| commit | f36f21ecca9ee688301174e5f2e0827827a7a7ff (patch) | |
| tree | b147bb5cc37683dfe01c86fba634808aa2ff567d /fs | |
| parent | 78bb6cb9a890d3d50ca3b02fce9223d3e734ab9b (diff) | |
| download | linux-f36f21ecca9ee688301174e5f2e0827827a7a7ff.tar.bz2 | |
Fix misuses of bdevname()
bdevname() fills the buffer that it is given as a parameter, so calling
strcpy() or snprintf() on the returned value is redundant (and probably not
guaranteed to work - I don't think strcpy and snprintf support overlapping
buffers.)
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Stephen Tweedie <sct@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ext4/mballoc.c | 6 | ||||
| -rw-r--r-- | fs/jbd2/journal.c | 4 |
2 files changed, 4 insertions, 6 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index fbec2ef93797..b128bdc0f55c 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -2639,8 +2639,7 @@ static int ext4_mb_init_per_dev_proc(struct super_block *sb) struct proc_dir_entry *proc; char devname[64]; - snprintf(devname, sizeof(devname) - 1, "%s", - bdevname(sb->s_bdev, devname)); + bdevname(sb->s_bdev, devname); sbi->s_mb_proc = proc_mkdir(devname, proc_root_ext4); MB_PROC_HANDLER(EXT4_MB_STATS_NAME, stats); @@ -2674,8 +2673,7 @@ static int ext4_mb_destroy_per_dev_proc(struct super_block *sb) if (sbi->s_mb_proc == NULL) return -EINVAL; - snprintf(devname, sizeof(devname) - 1, "%s", - bdevname(sb->s_bdev, devname)); + bdevname(sb->s_bdev, devname); remove_proc_entry(EXT4_MB_GROUP_PREALLOC, sbi->s_mb_proc); remove_proc_entry(EXT4_MB_STREAM_REQ, sbi->s_mb_proc); remove_proc_entry(EXT4_MB_ORDER2_REQ, sbi->s_mb_proc); diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index 53632e3e8457..2e24567c4a79 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -901,7 +901,7 @@ static void jbd2_stats_proc_init(journal_t *journal) { char name[BDEVNAME_SIZE]; - snprintf(name, sizeof(name) - 1, "%s", bdevname(journal->j_dev, name)); + bdevname(journal->j_dev, name); journal->j_proc_entry = proc_mkdir(name, proc_jbd2_stats); if (journal->j_proc_entry) { proc_create_data("history", S_IRUGO, journal->j_proc_entry, @@ -915,7 +915,7 @@ static void jbd2_stats_proc_exit(journal_t *journal) { char name[BDEVNAME_SIZE]; - snprintf(name, sizeof(name) - 1, "%s", bdevname(journal->j_dev, name)); + bdevname(journal->j_dev, name); remove_proc_entry("info", journal->j_proc_entry); remove_proc_entry("history", journal->j_proc_entry); remove_proc_entry(name, proc_jbd2_stats); |