The driver is using -1 instead of the -ENOMEM defined macro to specify that a buffer allocation failed. Since the error number is propagated, the caller will get a -EPERM which is the wrong error condition.
Smatch tool warning: ad1848_init() warn: returning -1 instead of -ENOMEM is sloppy
Signed-off-by: Luis de Bethencourt luisbg@osg.samsung.com --- sound/oss/ad1848.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/oss/ad1848.c b/sound/oss/ad1848.c index 10c8de1..6b35656 100644 --- a/sound/oss/ad1848.c +++ b/sound/oss/ad1848.c @@ -1992,7 +1992,7 @@ int ad1848_init (char *name, struct resource *ports, int irq, int dma_playback, portc = kmalloc(sizeof(ad1848_port_info), GFP_KERNEL); if(portc==NULL) { release_region(devc->base, 4); - return -1; + return -ENOMEM; }
if ((my_dev = sound_install_audiodrv(AUDIO_DRIVER_VERSION,