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| author | Nate Dailey <nhdailey@verizon.net> | 2005-04-21 22:14:05 +0200 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.(none)> | 2005-04-21 22:14:05 +0200 |
| commit | 3a73e8c7715cdf53c24b602bfca15ec54d7c989b (patch) | |
| tree | ac2db6d657a1335f51226d58acf69a98173a0cbb /drivers/scsi/sr_ioctl.c | |
| parent | [SCSI] aic7xxx: remove inquiry sniffing leftovers (diff) | |
| download | linux-3a73e8c7715cdf53c24b602bfca15ec54d7c989b.tar.xz linux-3a73e8c7715cdf53c24b602bfca15ec54d7c989b.zip | |
[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: Nate Dailey <nate.dailey@stratus.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/sr_ioctl.c')
| -rw-r--r-- | drivers/scsi/sr_ioctl.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c index 3471be05779a..82d68fdb1548 100644 --- 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 */ |