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authorLi Zefan <lizf@cn.fujitsu.com>2009-04-10 09:43:08 +0800
committerTakashi Iwai <tiwai@suse.de>2009-04-14 12:39:12 +0200
commitef44a1ec6eeef189998f84e7230e1d3535b01074 (patch)
tree0baa5cc0bf27af13469c75bcb89cc55e448f45dd /sound/core/seq
parent577c9c456f0e1371cbade38eaf91ae8e8a308555 (diff)
ALSA: sound/core: use memdup_user()
Remove open-coded memdup_user(). Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core/seq')
-rw-r--r--sound/core/seq/seq_compat.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/sound/core/seq/seq_compat.c b/sound/core/seq/seq_compat.c
index 38693f47c26..c956fe46256 100644
--- a/sound/core/seq/seq_compat.c
+++ b/sound/core/seq/seq_compat.c
@@ -48,12 +48,11 @@ static int snd_seq_call_port_info_ioctl(struct snd_seq_client *client, unsigned
struct snd_seq_port_info *data;
mm_segment_t fs;
- data = kmalloc(sizeof(*data), GFP_KERNEL);
- if (! data)
- return -ENOMEM;
+ data = memdup_user(data32, sizeof(*data32));
+ if (IS_ERR(data))
+ return PTR_ERR(data);
- if (copy_from_user(data, data32, sizeof(*data32)) ||
- get_user(data->flags, &data32->flags) ||
+ if (get_user(data->flags, &data32->flags) ||
get_user(data->time_queue, &data32->time_queue))
goto error;
data->kernel = NULL;