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| author | Mike Isely <devnull@localhost> | 2006-01-21 04:44:52 +0000 |
|---|---|---|
| committer | Mike Isely <devnull@localhost> | 2006-01-21 04:44:52 +0000 |
| commit | c2adc8ccca8b66d34544b8cf3d67eda633ab586f (patch) | |
| tree | f4332405f8181964abb87fca425a9e84caf44792 /v4l_experimental/pvrusb2/pvrusb2-v4l2.c | |
| parent | 522fbf99045e894f09f78b66ba8289a462902afa (diff) | |
| download | mediapointer-dvb-s2-c2adc8ccca8b66d34544b8cf3d67eda633ab586f.tar.gz mediapointer-dvb-s2-c2adc8ccca8b66d34544b8cf3d67eda633ab586f.tar.bz2 | |
Solve pvrusb2 compilation warning
We need to be checking the return value for copy_to_user(); for some
reason my builds weren't catching this which is why it went unfixed
until now.
From: Mike Isely <isely@pobox.com>
Signed-off-by: Mike Isely <isely@pobox.com>
Diffstat (limited to 'v4l_experimental/pvrusb2/pvrusb2-v4l2.c')
| -rw-r--r-- | v4l_experimental/pvrusb2/pvrusb2-v4l2.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/v4l_experimental/pvrusb2/pvrusb2-v4l2.c b/v4l_experimental/pvrusb2/pvrusb2-v4l2.c index be5c84ae0..9449f775f 100644 --- a/v4l_experimental/pvrusb2/pvrusb2-v4l2.c +++ b/v4l_experimental/pvrusb2/pvrusb2-v4l2.c @@ -1,6 +1,6 @@ /* * - * $Id: pvrusb2-v4l2.c,v 1.7 2006/01/14 22:09:52 mcisely Exp $ + * $Id: pvrusb2-v4l2.c,v 1.8 2006/01/21 04:44:52 mcisely Exp $ * * Copyright (C) 2005 Mike Isely <isely@pobox.com> * Copyright (C) 2004 Aurelien Alleaume <slts@free.fr> @@ -1073,7 +1073,10 @@ static ssize_t pvr2_v4l2_read(struct file *file, break; } if (!c2) break; - copy_to_user(buff,tbuf,c2); + if (copy_to_user(buff,tbuf,c2)) { + tcnt = -EFAULT; + break; + } offs += c2; tcnt += c2; buff += c2; |