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authorJesper Juhl <jesper.juhl@gmail.com>2006-03-25 03:07:02 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-25 08:22:51 -0800
commitc41a24ce1fe13638732885859011321af862960a (patch)
tree6fdf30f1fd5e2c92a10e2eab6c6db485aba340a0
parent9a56c213929d83139fd1e12727e1037d71b519f8 (diff)
[PATCH] ISDN: fix copy_to_user() unused result warning in isdn_ppp
drivers/isdn/i4l/isdn_ppp.c:785: warning: ignoring return value of `copy_to_user', declared with attribute warn_unused_result Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Karsten Keil <kkeil@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--drivers/isdn/i4l/isdn_ppp.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/isdn/i4l/isdn_ppp.c b/drivers/isdn/i4l/isdn_ppp.c
index 1a19a0f8942..b9fed8a3bcc 100644
--- a/drivers/isdn/i4l/isdn_ppp.c
+++ b/drivers/isdn/i4l/isdn_ppp.c
@@ -782,7 +782,8 @@ isdn_ppp_read(int min, struct file *file, char __user *buf, int count)
is->first = b;
spin_unlock_irqrestore(&is->buflock, flags);
- copy_to_user(buf, save_buf, count);
+ if (copy_to_user(buf, save_buf, count))
+ count = -EFAULT;
kfree(save_buf);
return count;