4.14-stable review patch. If anyone has any objections, please let me know.
------------------
From: Takashi Sakamoto <o-takashi@xxxxxxxxxxxxx>
commit 36f3a6e02c143a7e9e4e143e416371f67bc1fae6 upstream.
An allocated memory forgets to be released.
Fixes: 76fdb3a9e13 ('ALSA: fireface: add support for Fireface 400')
Cc: <stable@xxxxxxxxxxxxxxx> # 4.12+
Signed-off-by: Takashi Sakamoto <o-takashi@xxxxxxxxxxxxx>
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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,
