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Commit a2cf8a63 authored by Davidlohr Bueso A's avatar Davidlohr Bueso A Committed by James Bottomley
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[SCSI] ch: Check NULL for kmalloc() return 



Verify that ch->dt is not NULL before using it.

Signed-off-by: default avatarDavidlohr Bueso <dave@gnu.org>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@suse.de>
parent d6886692

drivers/scsi/ch.c

+6 −0
Original line number Diff line number Diff line
@@ -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;