libertas sdio: claim device before calling sdio_disable_func()
There is a failure path in if_sdio_power_on(), where sdio_disable_func() is called without claiming the device. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -907,8 +907,8 @@ static int if_sdio_power_on(struct if_sdio_card *card)
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sdio_release_host(func);
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sdio_release_host(func);
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ret = if_sdio_prog_firmware(card);
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ret = if_sdio_prog_firmware(card);
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if (ret) {
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if (ret) {
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sdio_disable_func(func);
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sdio_claim_host(func);
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return ret;
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goto disable;
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}
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}
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return 0;
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return 0;
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