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perf: Fix a build error with some GCC versions 

Fix this:

 util/cgroup.c: In function ‘open_cgroup’:
 util/cgroup.c:16:16: error: ‘saved_ptr’ may be used uninitialized in this function
 util/cgroup.c:16:16: note: ‘saved_ptr’ was declared here

Apparently newer GCC (4.6) can figure out that this variable is properly
initialized - but some versions of GCC (such as 4.5.2) need help.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Eric Dumazet 2011-04-08 12:11:06 +02:00 committed by Ingo Molnar
parent 0c3efe54d0
commit 621d26567f
1 changed files with 1 additions and 1 deletions
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2
tools/perf/util/cgroup.c
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@ -13,7 +13,7 @@ cgroupfs_find_mountpoint(char *buf, size_t maxlen)
{
FILE *fp;
char mountpoint[MAX_PATH+1], tokens[MAX_PATH+1], type[MAX_PATH+1];
char *token, *saved_ptr;
char *token, *saved_ptr = NULL;
int found = 0;
fp = fopen("/proc/mounts", "r");