4.14-stable review patch. If anyone has any objections, please let me know.
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From: Takashi Sakamoto o-takashi@sakamocchi.jp
commit 36f3a6e02c143a7e9e4e143e416371f67bc1fae6 upstream.
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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- sound/firewire/fireface/ff-protocol-ff400.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-)
--- 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(st { __le32 *reg; int i; + int err;
reg = kzalloc(sizeof(__le32) * 18, GFP_KERNEL); if (reg == NULL) @@ -163,9 +164,11 @@ static int ff400_switch_fetching_mode(st 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,