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firmware: imx-dsp: Fix an error handling path in imx_dsp_setup_channels()

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[ Upstream commit e527adfb9b ]

If mbox_request_channel_byname() fails, the memory allocated a few lines
above still need to be freed before going to the error handling path.

Fixes: 046326989a ("firmware: imx: Save channel name for further use")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Christophe JAILLET
2023-01-15 19:13:46 +01:00
committed by Greg Kroah-Hartman
parent 1df81ea9e4
commit be57fc50dc
1 changed files with 1 additions and 0 deletions
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drivers/firmware/imx/imx-dsp.c
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@@ -115,6 +115,7 @@ static int imx_dsp_setup_channels(struct imx_dsp_ipc *dsp_ipc)
dsp_chan->idx = i % 2; dsp_chan->idx = i % 2;
dsp_chan->ch = mbox_request_channel_byname(cl, chan_name); dsp_chan->ch = mbox_request_channel_byname(cl, chan_name);
if (IS_ERR(dsp_chan->ch)) { if (IS_ERR(dsp_chan->ch)) {
kfree(dsp_chan->name);
ret = PTR_ERR(dsp_chan->ch); ret = PTR_ERR(dsp_chan->ch);
if (ret != -EPROBE_DEFER) if (ret != -EPROBE_DEFER)
dev_err(dev, "Failed to request mbox chan %s ret %d\n", dev_err(dev, "Failed to request mbox chan %s ret %d\n",