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authorDarrick J. Wong <darrick.wong@oracle.com>2015-11-03 13:06:34 +1100
committerDave Chinner <david@fromorbit.com>2015-11-03 13:06:34 +1100
commitaf3b63822e73b66f3ca9927b46df8b873ab8c6ec (patch)
tree26352bf8bbccc86198fc8a02dcc99633b71a320c /fs/xfs/xfs_mount.c
parent47e1bf640558237b79d3009fb7dfe157f12f4f7a (diff)
xfs: don't leak uuid table on rmmod
Don't leak the UUID table when the module is unloaded. (Found with kmemleak.) Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/xfs/xfs_mount.c')
-rw-r--r--fs/xfs/xfs_mount.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index bf92e0c037c7..fe6fe8a889d5 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -47,6 +47,16 @@ static DEFINE_MUTEX(xfs_uuid_table_mutex);
static int xfs_uuid_table_size;
static uuid_t *xfs_uuid_table;
+void
+xfs_uuid_table_free(void)
+{
+ if (xfs_uuid_table_size == 0)
+ return;
+ kmem_free(xfs_uuid_table);
+ xfs_uuid_table = NULL;
+ xfs_uuid_table_size = 0;
+}
+
/*
* See if the UUID is unique among mounted XFS filesystems.
* Mount fails if UUID is nil or a FS with the same UUID is already mounted.