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Subject[PATCH] scsi: megaraid: check kzalloc

we should check kzalloc, avoid to hit oops

Signed-off-by: Libo Chen <libo.chen@huawei.com>
---
drivers/scsi/megaraid.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index 846f475..195b095 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -4162,6 +4162,10 @@ mega_internal_command(adapter_t *adapter, megacmd_t *mc, mega_passthru *pthru)

sdev = kzalloc(sizeof(struct scsi_device), GFP_KERNEL);
scmd->device = sdev;
+ if (!scmd->device) {
+ scsi_free_command(GFP_KERNEL, scmd);
+ return -ENOMEM;
+ }

memset(adapter->int_cdb, 0, sizeof(adapter->int_cdb));
scmd->cmnd = adapter->int_cdb;
--
1.7.1


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