luck/tmp_suning_uos_patched
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locks: fix generic_delete_lease tracepoint to use victim pointer

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It's possible that "fl" won't point at a valid lock at this point, so
use "victim" instead which is either a valid lock or NULL.

Signed-off-by: Jeff Layton <jeff.layton@primarydata.com>
This commit is contained in:
Jeff Layton 2015-03-14 09:45:35 -04:00
parent 5fb0f7fa7f
commit a9b1b455c5
1 changed files with 1 additions and 1 deletions
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2
fs/locks.c
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@ -1728,7 +1728,7 @@ static int generic_delete_lease(struct file *filp, void *owner)
break; break;
} }
} }
trace_generic_delete_lease(inode, fl); trace_generic_delete_lease(inode, victim);
if (victim) if (victim)
error = fl->fl_lmops->lm_change(victim, F_UNLCK, &dispose); error = fl->fl_lmops->lm_change(victim, F_UNLCK, &dispose);
spin_unlock(&ctx->flc_lock); spin_unlock(&ctx->flc_lock);