4.19-stable review patch. If anyone has any objections, please let me know.
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From: Hangyu Hua hbh25y@gmail.com
commit d7bd416d35121c95fe47330e09a5c04adbc5f928 upstream.
rpmsg_register_device_override need to call put_device to free vch when driver_set_override fails.
Fix this by adding a put_device() to the error path.
Fixes: bb17d110cbf2 ("rpmsg: Fix calling device_lock() on non-initialized device") Reviewed-by: Krzysztof Kozlowski krzysztof.kozlowski@linaro.org Signed-off-by: Hangyu Hua hbh25y@gmail.com Link: https://lore.kernel.org/r/20220624024120.11576-1-hbh25y@gmail.com Signed-off-by: Mathieu Poirier mathieu.poirier@linaro.org Signed-off-by: Lee Jones lee@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/rpmsg/rpmsg_core.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/rpmsg/rpmsg_core.c +++ b/drivers/rpmsg/rpmsg_core.c @@ -550,6 +550,7 @@ int rpmsg_register_device_override(struc strlen(driver_override)); if (ret) { dev_err(dev, "device_set_override failed: %d\n", ret); + put_device(dev); return ret; } }