From: Varsha Rao Date: Sat, 25 Feb 2017 12:23:58 +0000 (+0530) Subject: staging: speakup: Replace BUG_ON() with WARN_ON(). X-Git-Tag: v4.9.89~234 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=74cf9ab7d1de72a022519991a9b27ea1510c4c9f;p=platform%2Fkernel%2Flinux-amlogic.git staging: speakup: Replace BUG_ON() with WARN_ON(). [ Upstream commit d351c2db5420bb17dcd2d9aac7ddb5f64c6d04b3 ] BUG_ON() is replaced with WARN_ON() and EINVAL is returned, when WARN_ON() is true. This fixes the following checkpatch issue: Avoid crashing the kernel - try using WARN_ON & recovery code rather than BUG() or BUG_ON(). Signed-off-by: Varsha Rao Reviewed-by: Samuel Thibault Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/speakup/kobjects.c b/drivers/staging/speakup/kobjects.c index e744aa9730ff..dea018cba094 100644 --- a/drivers/staging/speakup/kobjects.c +++ b/drivers/staging/speakup/kobjects.c @@ -834,7 +834,9 @@ static ssize_t message_show(struct kobject *kobj, struct msg_group_t *group = spk_find_msg_group(attr->attr.name); unsigned long flags; - BUG_ON(!group); + if (WARN_ON(!group)) + return -EINVAL; + spin_lock_irqsave(&speakup_info.spinlock, flags); retval = message_show_helper(buf, group->start, group->end); spin_unlock_irqrestore(&speakup_info.spinlock, flags); @@ -846,7 +848,9 @@ static ssize_t message_store(struct kobject *kobj, struct kobj_attribute *attr, { struct msg_group_t *group = spk_find_msg_group(attr->attr.name); - BUG_ON(!group); + if (WARN_ON(!group)) + return -EINVAL; + return message_store_helper(buf, count, group); }