diff options
| author |   Takashi Iwai <tiwai@suse.de> | 2021-04-06 13:35:34 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2021-04-07 11:59:56 +0200 |
| commit | 5fb45414ae03421255593fd5556aa2d1d82303aa (patch) | |
| tree | 7a3e5262d0f82e23b3b8a73f4c7cb4ff6eab8ec6 /sound/usb/midi.c | |
| parent | ALSA: control - off by one in store_mode() (diff) | |
| download | linux-dev-5fb45414ae03421255593fd5556aa2d1d82303aa.tar.xz linux-dev-5fb45414ae03421255593fd5556aa2d1d82303aa.zip | |
ALSA: usb-audio: Add error checks for usb_driver_claim_interface() calls
There are a few calls of usb_driver_claim_interface() but all of those
miss the proper error checks, as reported by Coverity. This patch
adds those missing checks.
Along with it, replace the magic pointer with -1 with a constant
USB_AUDIO_IFACE_UNUSED for better readability.
Reported-by: coverity-bot <keescook+coverity-bot@chromium.org>
Addresses-Coverity-ID: 1475943 ("Error handling issues")
Addresses-Coverity-ID: 1475944 ("Error handling issues")
Addresses-Coverity-ID: 1475945 ("Error handling issues")
Fixes: b1ce7ba619d9 ("ALSA: usb-audio: claim autodetected PCM interfaces all at once")
Fixes: e5779998bf8b ("ALSA: usb-audio: refactor code")
Link: https://lore.kernel.org/r/202104051059.FB7F3016@keescook
Link: https://lore.kernel.org/r/20210406113534.30455-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/midi.c')
0 files changed, 0 insertions, 0 deletions