hwrng: xgene - fix handling platform_get_irq
authorAndrzej Hajda <a.hajda@samsung.com>
Mon, 21 Sep 2015 13:33:42 +0000 (15:33 +0200)
committerHerbert Xu <herbert@gondor.apana.org.au>
Mon, 21 Sep 2015 14:57:37 +0000 (22:57 +0800)
commit09185e2756a83763bcbfe51b308b85979f0de027
tree64e960c9c807711bdbd5c5744c617296ad37d408
parent17762c5acee2f1f065291d2a74ebea4d0168063b
hwrng: xgene - fix handling platform_get_irq

The function can return negative value.

The problem has been detected using proposed semantic patch
scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1].

[1]: http://permalink.gmane.org/gmane.linux.kernel/2038576

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
drivers/char/hw_random/xgene-rng.c