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misc: fastrpc: Fix an error handling path in fastrpc_rpmsg_probe() 

[ Upstream commit 11819ed2b7 ]

If of_platform_populate() fails, some resources need to be freed as already
done in the other error handling paths.

Fixes: 278d56f970 ("misc: fastrpc: Reference count channel context")
Fixes: 3abe3ab3cd ("misc: fastrpc: add secure domain support")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/b909d2f3273b794ea0f1f78d14bc24affb08ea5f.1669398274.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Christophe JAILLET 2022-11-25 18:45:02 +01:00 committed by Greg Kroah-Hartman
parent 942c1239ff
commit a68a09cc4b
1 changed files with 12 additions and 1 deletions
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13
drivers/misc/fastrpc.c
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@ -2127,7 +2127,18 @@ static int fastrpc_rpmsg_probe(struct rpmsg_device *rpdev)
data->domain_id = domain_id;
data->rpdev = rpdev;
return of_platform_populate(rdev->of_node, NULL, NULL, rdev);
err = of_platform_populate(rdev->of_node, NULL, NULL, rdev);
if (err)
goto populate_error;
return 0;
populate_error:
if (data->fdevice)
misc_deregister(&data->fdevice->miscdev);
if (data->secure_fdevice)
misc_deregister(&data->secure_fdevice->miscdev);
fdev_error:
kfree(data);
return err;