Commit e1779b4f authored Aug 25, 2017 by Bart Van Assche Committed by Martin K. Petersen Aug 25, 2017

scsi: scsi_transport_sas: Check kzalloc() return value



Check whether memory allocation succeeded before dereferencing
the pointer to the allocated memory.

Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Cc: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

parent e656f0d0

drivers/scsi/scsi_transport_sas.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -421,6 +421,9 @@ sas_tlr_supported(struct scsi_device *sdev)
		char *buffer = kzalloc(vpd_len, GFP_KERNEL);
		int ret = 0;

		if (!buffer)
		goto out;

		if (scsi_get_vpd_page(sdev, 0x90, buffer, vpd_len))
		goto out;

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