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authorGustavo A. R. Silva <gustavo@embeddedor.com>2019-02-12 12:44:50 -0600
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-02-13 19:43:34 +0100
commit479826cc86118e0d87e5cefb3df5b748e0480924 (patch)
tree40219a6fa0dbcaef9adbd0554d3946a8f443965a /drivers/staging/comedi/drivers/ni_660x.c
parent277c8e8b81d61f3314c3765f332ac7ce9da2cac0 (diff)
staging: comedi: ni_660x: fix missing break in switch statement
Add missing break statement in order to prevent the code from falling through to the default case and return -EINVAL every time. This bug was found thanks to the ongoing efforts to enable -Wimplicit-fallthrough. Fixes: aa94f2888825 ("staging: comedi: ni_660x: tidy up ni_660x_set_pfi_routing()") Cc: stable@vger.kernel.org Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Reviewed-by: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/comedi/drivers/ni_660x.c')
-rw-r--r--drivers/staging/comedi/drivers/ni_660x.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/staging/comedi/drivers/ni_660x.c b/drivers/staging/comedi/drivers/ni_660x.c
index e70a461e723f..405573e927cf 100644
--- a/drivers/staging/comedi/drivers/ni_660x.c
+++ b/drivers/staging/comedi/drivers/ni_660x.c
@@ -656,6 +656,7 @@ static int ni_660x_set_pfi_routing(struct comedi_device *dev,
case NI_660X_PFI_OUTPUT_DIO:
if (chan > 31)
return -EINVAL;
+ break;
default:
return -EINVAL;
}