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authorTakashi Iwai <tiwai@suse.de>2013-11-05 15:00:02 +0100
committerTakashi Iwai <tiwai@suse.de>2013-11-06 08:34:49 +0100
commit29fa9578046ea51e9cf97c4e16207ea6ec375084 (patch)
tree6ce93d0fbc2653b560dc6423d2f0131f6dc0f29a /sound/pci/ctxfi/cthardware.c
parent791b3f596e2331f80244cc8532a25b48d45f126d (diff)
ALSA: ctxfi: Use WARN_ON() instead of BUG_ON()
BUG_ON() is rather useless for debugging as it leads to panic(). Use WARN_ON() and handle the error cases accordingly. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/ctxfi/cthardware.c')
-rw-r--r--sound/pci/ctxfi/cthardware.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/sound/pci/ctxfi/cthardware.c b/sound/pci/ctxfi/cthardware.c
index 110b8ace6d8a..a689f2552706 100644
--- a/sound/pci/ctxfi/cthardware.c
+++ b/sound/pci/ctxfi/cthardware.c
@@ -69,7 +69,8 @@ unsigned int get_field(unsigned int data, unsigned int field)
{
int i;
- BUG_ON(!field);
+ if (WARN_ON(!field))
+ return 0;
/* @field should always be greater than 0 */
for (i = 0; !(field & (1 << i)); )
i++;
@@ -81,7 +82,8 @@ void set_field(unsigned int *data, unsigned int field, unsigned int value)
{
int i;
- BUG_ON(!field);
+ if (WARN_ON(!field))
+ return;
/* @field should always be greater than 0 */
for (i = 0; !(field & (1 << i)); )
i++;