diff options
| author | Davidlohr Bueso A <dave@gnu.org> | 2009-08-07 16:42:21 -0400 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2009-08-22 17:52:22 -0500 |
| commit | a2cf8a6306c89223d0ed35a7e9d40da99902e32a (patch) | |
| tree | bac3fabe15b299cd7d056f6bd501229d663c70b2 /drivers/scsi/ch.c | |
| parent | d68866927ddd0ed3145cb3fba4a1c07ca5e4709d (diff) | |
[SCSI] ch: Check NULL for kmalloc() return
Verify that ch->dt is not NULL before using it.
Signed-off-by: Davidlohr Bueso <dave@gnu.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/ch.c')
| -rw-r--r-- | drivers/scsi/ch.c | 6 |
1 files changed, 6 insertions, 0 deletions
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; |