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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-10-08 08:28:26 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-10-08 08:28:26 -0300
commitf19866e5cb04f8f007cb422132ea4611cdacc8e3 (patch)
treeee8d9b12a8ec6335ed76b3c58ba0f3e1fea7616e /drivers/block
parenta700f2d8e79ff80041078f160fe1edccf89b0c66 (diff)
Linux-libre 4.2.3-gnupck-4.2.3-gnu
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/zram/zcomp.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/block/zram/zcomp.c b/drivers/block/zram/zcomp.c
index 965d1afb0..5cb13ca3a 100644
--- a/drivers/block/zram/zcomp.c
+++ b/drivers/block/zram/zcomp.c
@@ -330,12 +330,14 @@ void zcomp_destroy(struct zcomp *comp)
* allocate new zcomp and initialize it. return compressing
* backend pointer or ERR_PTR if things went bad. ERR_PTR(-EINVAL)
* if requested algorithm is not supported, ERR_PTR(-ENOMEM) in
- * case of allocation error.
+ * case of allocation error, or any other error potentially
+ * returned by functions zcomp_strm_{multi,single}_create.
*/
struct zcomp *zcomp_create(const char *compress, int max_strm)
{
struct zcomp *comp;
struct zcomp_backend *backend;
+ int error;
backend = find_backend(compress);
if (!backend)
@@ -347,12 +349,12 @@ struct zcomp *zcomp_create(const char *compress, int max_strm)
comp->backend = backend;
if (max_strm > 1)
- zcomp_strm_multi_create(comp, max_strm);
+ error = zcomp_strm_multi_create(comp, max_strm);
else
- zcomp_strm_single_create(comp);
- if (!comp->stream) {
+ error = zcomp_strm_single_create(comp);
+ if (error) {
kfree(comp);
- return ERR_PTR(-ENOMEM);
+ return ERR_PTR(error);
}
return comp;
}