From a2cf8a6306c89223d0ed35a7e9d40da99902e32a Mon Sep 17 00:00:00 2001 From: Davidlohr Bueso A Date: Fri, 7 Aug 2009 16:42:21 -0400 Subject: [PATCH] [SCSI] ch: Check NULL for kmalloc() return Verify that ch->dt is not NULL before using it. Signed-off-by: Davidlohr Bueso Signed-off-by: James Bottomley --- drivers/scsi/ch.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/scsi/ch.c b/drivers/scsi/ch.c index 7b1633a8c15a..fe11c1d4b31d 100644 --- a/drivers/scsi/ch.c +++ b/drivers/scsi/ch.c @@ -353,6 +353,12 @@ ch_readconfig(scsi_changer *ch) /* look up the devices of the data transfer elements */ ch->dt = kmalloc(ch->counts[CHET_DT]*sizeof(struct scsi_device), GFP_KERNEL); + + if (!ch->dt) { + kfree(buffer); + return -ENOMEM; + } + for (elem = 0; elem < ch->counts[CHET_DT]; elem++) { id = -1; lun = 0; -- 2.30.2