firmware: raspberrypi: fix possible memory leak in rpi_firmware_probe()

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[ Upstream commit 7b51161696 ]

In rpi_firmware_probe(), if mbox_request_channel() fails, the 'fw' will
not be freed through rpi_firmware_delete(), fix this leak by calling
kfree() in the error path.

Fixes: 1e7c57355a ("firmware: raspberrypi: Keep count of all consumers")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221117070636.3849773-1-yangyingliang@huawei.com
Acked-by: Joel Savitz <jsavitz@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Yang Yingliang 2022-11-17 15:06:36 +08:00 • committed by Greg Kroah-Hartman

parent 4e947fc71b

commit 71d2abab37

1 changed files with 1 additions and 0 deletions

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drivers/firmware/raspberrypi.c

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