Ensure the page used for local object data is freed
on error out path.
Fixes: 3f909a60cec1 ("zram: rework recompress target selection strategy")
Signed-off-by: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>
---
drivers/block/zram/zram_drv.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index c6310077c221..f4644c29f74e 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -2017,7 +2017,7 @@ static ssize_t recompress_store(struct device *dev,
struct zram_pp_slot *pps;
u32 mode = 0, threshold = 0;
u32 prio, prio_max;
- struct page *page;
+ struct page *page = NULL;
ssize_t ret;
prio = ZRAM_SECONDARY_COMP;
@@ -2161,9 +2161,9 @@ static ssize_t recompress_store(struct device *dev,
cond_resched();
}
- __free_page(page);
-
release_init_lock:
+ if (page)
+ __free_page(page);
release_pp_ctl(zram, ctl);
atomic_set(&zram->pp_in_progress, 0);
up_read(&zram->init_lock);
--
2.48.1.502.g6dc24dfdaf-goog
