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[SCSI] storvsc: NULL pointer dereference fix
[firefly-linux-kernel-4.4.55.git]
/
drivers
/
scsi
/
storvsc_drv.c
diff --git
a/drivers/scsi/storvsc_drv.c
b/drivers/scsi/storvsc_drv.c
index 17d7404272400dd1a76989a3965e0c4b85343036..9969fa1ef7c4ef09ac4fc72c942c5ef72703ae49 100644
(file)
--- a/
drivers/scsi/storvsc_drv.c
+++ b/
drivers/scsi/storvsc_drv.c
@@
-1419,6
+1419,9
@@
static void storvsc_device_destroy(struct scsi_device *sdevice)
{
struct stor_mem_pools *memp = sdevice->hostdata;
+ if (!memp)
+ return;
+
mempool_destroy(memp->request_mempool);
kmem_cache_destroy(memp->request_pool);
kfree(memp);