Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a04395ead6d17c83da64264b6fe78f852a648202
Commit: a04395ead6d17c83da64264b6fe78f852a648202
Parent: 8286c53e54b8b1b9489b4dd5d2d3a4f94b8c012e
Author: Thomas Reitmayr <[EMAIL PROTECTED]>
AuthorDate: Tue May 15 11:47:48 2007 +0200
Committer: Jaroslav Kysela <[EMAIL PROTECTED]>
CommitDate: Wed May 16 12:23:20 2007 +0200
[ALSA] usbaudio - Coping with short replies in usbmixer
This patch makes sure that short USB replies are treated as an
error when requesting the value of a certain mixer control.
Signed-off-by: Thomas Reitmayr <[EMAIL PROTECTED]>
Signed-off-by: Takashi Iwai <[EMAIL PROTECTED]>
Signed-off-by: Jaroslav Kysela <[EMAIL PROTECTED]>
---
sound/usb/usbmixer.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c
index 7b3bf35..325d4b6 100644
--- a/sound/usb/usbmixer.c
+++ b/sound/usb/usbmixer.c
@@ -360,7 +360,7 @@ static int get_ctl_value(struct usb_mixer_elem_info *cval,
int request, int vali
request,
USB_RECIP_INTERFACE | USB_TYPE_CLASS |
USB_DIR_IN,
validx, cval->mixer->ctrlif | (cval->id <<
8),
- buf, val_len, 100) >= 0) {
+ buf, val_len, 100) >= val_len) {
*value_ret = convert_signed_value(cval,
snd_usb_combine_bytes(buf, val_len));
return 0;
}
-
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