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| author | Jesper Juhl <jesper.juhl@gmail.com> | 2006-03-25 12:07:02 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-25 17:22:51 +0100 |
| commit | c41a24ce1fe13638732885859011321af862960a (patch) | |
| tree | 6fdf30f1fd5e2c92a10e2eab6c6db485aba340a0 /drivers/isdn/i4l | |
| parent | [PATCH] Add lookup_instantiate_filp usage warning (diff) | |
| download | linux-c41a24ce1fe13638732885859011321af862960a.tar.xz linux-c41a24ce1fe13638732885859011321af862960a.zip | |
[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>
Diffstat (limited to 'drivers/isdn/i4l')
| -rw-r--r-- | drivers/isdn/i4l/isdn_ppp.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/isdn/i4l/isdn_ppp.c b/drivers/isdn/i4l/isdn_ppp.c index 1a19a0f89428..b9fed8a3bcc6 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; |