staging/easycap: don't mask return value of usb_control_msg() by 0xFF

masking return value of usb_control_msg() will mask negative error values into positive. Cc: Mike Thomas <rmthomas@sciolus.org> Reported-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Reviewed-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
git-mirror · Feb 18, 2011 · ccb6d2e · ccb6d2e
1 parent 7207578
commit ccb6d2e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/staging/easycap/easycap_low.c b/drivers/staging/easycap/easycap_low.c
@@ -270,7 +270,7 @@ static int regget(struct usb_device *pusb_device,
 			0x00,
 			index, reg, reg_size, 50000);
 
-	return 0xFF & rc;
+	return rc;
 }
 
 static int regset(struct usb_device *pusb_device, u16 index, u16 value)