Patch "firmware: imx-dsp: Fix an error handling path in imx_dsp_setup_channels()" has been added to the 6.1-stable tree

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This is a note to let you know that I've just added the patch titled

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

to the 6.1-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     firmware-imx-dsp-fix-an-error-handling-path-in-imx_d.patch
and it can be found in the queue-6.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit cab9ad279cddd38677f78b7499d500d410b63ce8
Author: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
Date:   Sun Jan 15 19:13:46 2023 +0100

    firmware: imx-dsp: Fix an error handling path in imx_dsp_setup_channels()
    
    [ Upstream commit e527adfb9b7d9d05a4577c116519e59a2bda4b05 ]
    
    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: 046326989a18 ("firmware: imx: Save channel name for further use")
    Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
    Reviewed-by: Daniel Baluta <daniel.baluta@xxxxxxx>
    Signed-off-by: Shawn Guo <shawnguo@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/firmware/imx/imx-dsp.c b/drivers/firmware/imx/imx-dsp.c
index a6c06d7476c32..1f410809d3ee4 100644
--- a/drivers/firmware/imx/imx-dsp.c
+++ b/drivers/firmware/imx/imx-dsp.c
@@ -115,6 +115,7 @@ static int imx_dsp_setup_channels(struct imx_dsp_ipc *dsp_ipc)
 		dsp_chan->idx = i % 2;
 		dsp_chan->ch = mbox_request_channel_byname(cl, chan_name);
 		if (IS_ERR(dsp_chan->ch)) {
+			kfree(dsp_chan->name);
 			ret = PTR_ERR(dsp_chan->ch);
 			if (ret != -EPROBE_DEFER)
 				dev_err(dev, "Failed to request mbox chan %s ret %d\n",



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