On 08/23/2017 11:40 PM, Bart Van Assche wrote: > Check whether memory allocation succeeded before dereferencing > the pointer to the allocated memory. > > Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxx> > Cc: Hannes Reinecke <hare@xxxxxxxx> > Cc: Christoph Hellwig <hch@xxxxxx> > Cc: Johannes Thumshirn <jthumshirn@xxxxxxx> > --- > drivers/scsi/scsi_transport_sas.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c > index a318c46db7cc..1a0fa79fd49a 100644 > --- a/drivers/scsi/scsi_transport_sas.c > +++ b/drivers/scsi/scsi_transport_sas.c > @@ -423,6 +423,9 @@ 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; > > Reviewed-by: Hannes Reinecke <hare@xxxxxxxx> Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@xxxxxxx +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG Nürnberg)
