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[SCSI] drivers/scsi/sr_ioctl.c: check for failed allocation
[pandora-kernel.git]
/
drivers
/
scsi
/
sr_ioctl.c
diff --git
a/drivers/scsi/sr_ioctl.c
b/drivers/scsi/sr_ioctl.c
index
3471be0
..
82d68fd
100644
(file)
--- a/
drivers/scsi/sr_ioctl.c
+++ b/
drivers/scsi/sr_ioctl.c
@@
-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 */