Commit 3a73e8c7 authored by Nate Dailey's avatar Nate Dailey Committed by James Bottomley

[SCSI] drivers/scsi/sr_ioctl.c: check for failed allocation

I noticed a case in sr_ioctl.c's sr_get_mcn where a buffer is
allocated, but the pointer isn't checked for null.
Signed-off-by: default avatarNate Dailey <nate.dailey@stratus.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
parent 0bdcd78e
......@@ -281,6 +281,9 @@ int sr_get_mcn(struct cdrom_device_info *cdi, struct cdrom_mcn *mcn)
char *buffer = kmalloc(32, GFP_KERNEL | SR_GFP_DMA(cd));
int result;
if (!buffer)
return -ENOMEM;
memset(&cgc, 0, sizeof(struct packet_command));
cgc.cmd[0] = GPCMD_READ_SUBCHANNEL;
cgc.cmd[2] = 0x40; /* I do want the subchannel info */
......
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