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authorIngo Molnar <mingo@kernel.org>2012-05-21 09:17:31 +0200
committerIngo Molnar <mingo@kernel.org>2012-05-21 09:17:50 +0200
commitbb27f55eb9405257a59c82550dbb0d684cc3a665 (patch)
treebdab5866709e6ac7eeef7493d7d73bbd3d6231b6 /fs/nfs/idmap.c
parentb732d439cb43336cd6d7e804ecb2c81193ef63b0 (diff)
parent5e1c81d98a5621007824b49dde556fead5ff9c6c (diff)
Merge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core
Fixes for perf/core: - Rename some perf_target methods to avoid double negation, from Namhyung Kim. - Revert change to use per task events with inheritance, from Namhyung Kim. - Events should start disabled till children starts running, from David Ahern. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/nfs/idmap.c')
-rw-r--r--fs/nfs/idmap.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/nfs/idmap.c b/fs/nfs/idmap.c
index b7f348bb618b..ba3019f5934c 100644
--- a/fs/nfs/idmap.c
+++ b/fs/nfs/idmap.c
@@ -554,12 +554,16 @@ static int rpc_pipefs_event(struct notifier_block *nb, unsigned long event,
struct nfs_client *clp;
int error = 0;
+ if (!try_module_get(THIS_MODULE))
+ return 0;
+
while ((clp = nfs_get_client_for_event(sb->s_fs_info, event))) {
error = __rpc_pipefs_event(clp, event, sb);
nfs_put_client(clp);
if (error)
break;
}
+ module_put(THIS_MODULE);
return error;
}