diff options
| author | Thorsten Blum <thorsten.blum@linux.dev> | 2025-07-03 22:06:13 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-07-17 18:43:45 +0200 |
| commit | ef84c94d11ff972ecc3507f1ed092046bf6204b2 (patch) | |
| tree | 9094d7ea08e4008d73766873ff89d5cdf2c16d80 | |
| parent | fd3f4940c0297d8c8ca1b9e7caf8801c28f15001 (diff) | |
ALSA: ad1816a: Fix potential NULL pointer deref in snd_card_ad1816a_pnp()
commit 043faef334a1f3d96ae88e1b7618bfa2b4946388 upstream.
Use pr_warn() instead of dev_warn() when 'pdev' is NULL to avoid a
potential NULL pointer dereference.
Cc: stable@vger.kernel.org
Fixes: 20869176d7a7 ("ALSA: ad1816a: Use standard print API")
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Link: https://patch.msgid.link/20250703200616.304309-2-thorsten.blum@linux.dev
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | sound/isa/ad1816a/ad1816a.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/isa/ad1816a/ad1816a.c b/sound/isa/ad1816a/ad1816a.c index 99006dc4777e..5c9e2d41d900 100644 --- a/sound/isa/ad1816a/ad1816a.c +++ b/sound/isa/ad1816a/ad1816a.c @@ -98,7 +98,7 @@ static int snd_card_ad1816a_pnp(int dev, struct pnp_card_link *card, pdev = pnp_request_card_device(card, id->devs[1].id, NULL); if (pdev == NULL) { mpu_port[dev] = -1; - dev_warn(&pdev->dev, "MPU401 device busy, skipping.\n"); + pr_warn("MPU401 device busy, skipping.\n"); return 0; } |