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btrfs-progs: initialize save_ptr prior to strtok_r 

The coverity runs had a false positive complaining that
save_ptr is uninitialized in the call to strtok_r.

Turns out that under the covers glibc was doing enough
to confuse the checker about what was being called.

Just to keep the noise down, do a harmless initialization,
with a comment as to why.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
master
Eric Sandeen 2013-02-26 15:50:22 -06:00 committed by David Sterba
parent fb631862c9
commit e7cce77a56
1 changed files with 2 additions and 2 deletions
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4
cmds-balance.c
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@ -67,7 +67,7 @@ static int parse_one_profile(const char *profile, u64 *flags)
static int parse_profiles(char *profiles, u64 *flags)
{
char *this_char;
char *save_ptr;
char *save_ptr = NULL; /* Satisfy static checkers */
for (this_char = strtok_r(profiles, "|", &save_ptr);
this_char != NULL;
@ -136,7 +136,7 @@ static int parse_filters(char *filters, struct btrfs_balance_args *args)
{
char *this_char;
char *value;
char *save_ptr;
char *save_ptr = NULL; /* Satisfy static checkers */
if (!filters)
return 0;