[ALSA] sound/isa/opti9xx/opti92x-ad1848.c: check kmalloc() return value

Check the return value of kmalloc() in function snd_card_opti9xx_pnp(),
in file sound/isa/opti9xx/opti92x-ad1848.c.

Signed-off-by: Amit Choudhary <amit2030@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

diff --git a/sound/isa/opti9xx/opti92x-ad1848.c b/sound/isa/opti9xx/opti92x-ad1848.c
index a1ad39a..df22737 100644 (file)
--- a/sound/isa/opti9xx/opti92x-ad1848.c
+++ b/sound/isa/opti9xx/opti92x-ad1848.c
@@ -1683,6 +1683,8 @@ static int __init snd_card_opti9xx_pnp(struct snd_opti9xx *chip, struct pnp_card
        struct pnp_resource_table *cfg = kmalloc(sizeof(*cfg), GFP_KERNEL);
        int err;
 
+       if (!cfg)
+               return -ENOMEM;
        chip->dev = pnp_request_card_device(card, pid->devs[0].id, NULL);
        if (chip->dev == NULL) {
                kfree(cfg);