[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 ac007ce..c510954 100644
--- a/sound/pci/mixart/mixart.c
+++ b/sound/pci/mixart/mixart.c
@@ -1317,6 +1317,12 @@
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,