bus: mhi: ep: Only send -ENOTCONN status if client driver is available

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commit e6cebcc275 upstream.

For the STOP and RESET commands, only send the channel disconnect status
-ENOTCONN if client driver is available. Otherwise, it will result in
null pointer dereference.

Cc: <stable@vger.kernel.org> # 5.19
Fixes: e827569062 ("bus: mhi: ep: Add support for processing command rings")
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://lore.kernel.org/r/20221228161704.255268-4-manivannan.sadhasivam@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

This commit is contained in:

Manivannan Sadhasivam 2022-12-28 21:47:01 +05:30 • committed by Greg Kroah-Hartman

parent 189f856e76

commit 353aea15d6

1 changed files with 10 additions and 6 deletions

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drivers/bus/mhi/ep/main.c

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