[PATCH] scsi: megaraid: check kzalloc

[Libo Chen]

we should check kzalloc, avoid to hit oops

Signed-off-by: Libo Chen <libo.chen@xxxxxxxxxx>
---
 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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/