From 646cb6dae4994eb332ddf7376520eed255c5a8b4 Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Sun, 5 Apr 2015 14:06:33 +0200 Subject: [PATCH] ALSA: au1x00: fix error return code Return a negative error code on failure. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // @@ identifier ret; expression e1,e2; @@ ( if (\(ret < 0\|ret != 0\)) { ... return ret; } | ret = 0 ) ... when != ret = e1 when != &ret *if(...) { ... when != ret = e2 when forall return ret; } // Signed-off-by: Julia Lawall Signed-off-by: Takashi Iwai --- sound/mips/au1x00.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/sound/mips/au1x00.c b/sound/mips/au1x00.c index fbcaa5434fd8..1e30e8475431 100644 --- a/sound/mips/au1x00.c +++ b/sound/mips/au1x00.c @@ -633,19 +633,25 @@ static int au1000_ac97_probe(struct platform_device *pdev) au1000->stream[PLAYBACK] = kmalloc(sizeof(struct audio_stream), GFP_KERNEL); - if (!au1000->stream[PLAYBACK]) + if (!au1000->stream[PLAYBACK]) { + err = -ENOMEM; goto out; + } au1000->stream[PLAYBACK]->dma = -1; au1000->stream[CAPTURE] = kmalloc(sizeof(struct audio_stream), GFP_KERNEL); - if (!au1000->stream[CAPTURE]) + if (!au1000->stream[CAPTURE]) { + err = -ENOMEM; goto out; + } au1000->stream[CAPTURE]->dma = -1; r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!r) + if (!r) { + err = -ENODEV; goto out; + } err = -EBUSY; au1000->ac97_res_port = request_mem_region(r->start, resource_size(r), -- 2.39.5