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GFS2: Initialize hex string to '0'

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When generating the DLM lock name, a value of 0 would skip
the loop and leave the string unchanged.  This left locks with
a value of 0 unlabeled.  Initializing the string to '0' fixes this.

Signed-off-by: Nathan Straz <nstraz@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Nathan Straz 2012-12-11 17:01:24 -05:00 committed by Steven Whitehouse
parent 4a490b78cb
commit ec1487528b
1 changed files with 1 additions and 0 deletions
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fs/gfs2/lock_dlm.c
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@ -241,6 +241,7 @@ static u32 make_flags(struct gfs2_glock *gl, const unsigned int gfs_flags,
static void gfs2_reverse_hex(char *c, u64 value)
{
*c = '0';
while (value) {
*c-- = hex_asc[value & 0x0f];
value >>= 4;