From: Takashi Iwai <tiwai@suse.de>
Date: Mon, 13 Aug 2007 14:16:53 +0000 (+0200)
Subject: [ALSA] mixart - Check ioremap error
X-Git-Tag: v2.6.24-rc1~832^2~182
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=f9ff161a14baca1a4ead5f12377ab25b9dd332e1;p=karo-tx-linux.git

[ALSA] mixart - Check ioremap error

Check ioremap error and handle properly at initialization.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
---

diff --git a/sound/pci/mixart/mixart.c b/sound/pci/mixart/mixart.c
index ac007cec0879..c5109547f43f 100644
--- a/sound/pci/mixart/mixart.c
+++ b/sound/pci/mixart/mixart.c
@@ -1317,6 +1317,12 @@ static int __devinit snd_mixart_probe(struct pci_dev *pci,
 		mgr->mem[i].phys = pci_resource_start(pci, i);
 		mgr->mem[i].virt = ioremap_nocache(mgr->mem[i].phys,
 						   pci_resource_len(pci, i));
+		if (!mgr->mem[i].virt) {
+		        printk(KERN_ERR "unable to remap resource 0x%lx\n",
+			       mgr->mem[i].phys);
+			snd_mixart_free(mgr);
+			return -EBUSY;
+		}
 	}
 
 	if (request_irq(pci->irq, snd_mixart_interrupt, IRQF_SHARED,