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| author |   Takashi Sakamoto <o-takashi@sakamocchi.jp> | 2018-09-09 22:25:52 +0900 |
|---|---|---|
| committer |   Takashi Iwai <tiwai@suse.de> | 2018-09-10 09:08:14 +0200 |
| commit | 36f3a6e02c143a7e9e4e143e416371f67bc1fae6 (patch) | |
| tree | ed86bc1b0b5818b4c223c5bf82b8827d3a1a466a /sound | |
| parent | ALSA: bebob: use address returned by kmalloc() instead of kernel stack for streaming DMA mapping (diff) | |
| download | linux-dev-36f3a6e02c143a7e9e4e143e416371f67bc1fae6.tar.xz linux-dev-36f3a6e02c143a7e9e4e143e416371f67bc1fae6.zip | |
ALSA: fireface: fix memory leak in ff400_switch_fetching_mode()
An allocated memory forgets to be released.
Fixes: 76fdb3a9e13 ('ALSA: fireface: add support for Fireface 400')
Cc: <stable@vger.kernel.org> # 4.12+
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/firewire/fireface/ff-protocol-ff400.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/sound/firewire/fireface/ff-protocol-ff400.c b/sound/firewire/fireface/ff-protocol-ff400.c index ad7a0a32557d..64c3cb0fb926 100644 --- a/sound/firewire/fireface/ff-protocol-ff400.c +++ b/sound/firewire/fireface/ff-protocol-ff400.c @@ -146,6 +146,7 @@ static int ff400_switch_fetching_mode(struct snd_ff *ff, bool enable) { __le32 *reg; int i; + int err; reg = kcalloc(18, sizeof(__le32), GFP_KERNEL); if (reg == NULL) @@ -163,9 +164,11 @@ static int ff400_switch_fetching_mode(struct snd_ff *ff, bool enable) reg[i] = cpu_to_le32(0x00000001); } - return snd_fw_transaction(ff->unit, TCODE_WRITE_BLOCK_REQUEST, - FF400_FETCH_PCM_FRAMES, reg, - sizeof(__le32) * 18, 0); + err = snd_fw_transaction(ff->unit, TCODE_WRITE_BLOCK_REQUEST, + FF400_FETCH_PCM_FRAMES, reg, + sizeof(__le32) * 18, 0); + kfree(reg); + return err; } static void ff400_dump_sync_status(struct snd_ff *ff, |