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Fix misuses of bdevname()

Browse source 
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 <[email protected]>
Cc: Stephen Tweedie <[email protected]>
Cc: Jens Axboe <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Jean Delvare 2008-05-12 14:02:33 -07:00 • committed by Linus Torvalds
commit f36f21ecca
4 changed files with 6 additions and 8 deletions
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4
fs/jbd2/journal.c
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@ -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);