1 files changed, 2 insertions, 0 deletions

diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index 6206a934eb8c..5efc5a647183 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -229,6 +229,8 @@ queue_store_##name(struct request_queue *q, const char *page, size_t count) \
         unsigned long val;                                              \
         ssize_t ret;                                                    \
         ret = queue_var_store(&val, page, count);                       \
+        if (ret < 0)                                                    \
+                 return ret;                                            \
         if (neg)                                                        \
                 val = !val;                                             \
                                                                         \