Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.14 631/849] firmware: qcom_scm: Fix error retval in __qcom_scm_is_call_available() | Date | Mon, 15 Nov 2021 18:01:54 +0100 |
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From: Guru Das Srinagesh <quic_gurus@quicinc.com>
[ Upstream commit 38212b2a8a6fc4c3a6fa99d7445b833bedc9a67c ]
Since __qcom_scm_is_call_available() returns bool, have it return false instead of -EINVAL if an invalid SMC convention is detected.
This fixes the Smatch static checker warning:
drivers/firmware/qcom_scm.c:255 __qcom_scm_is_call_available() warn: signedness bug returning '(-22)'
Fixes: 9d11af8b06a8 ("firmware: qcom_scm: Make __qcom_scm_is_call_available() return bool") Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Guru Das Srinagesh <quic_gurus@quicinc.com> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Link: https://lore.kernel.org/r/1633982414-28347-1-git-send-email-quic_gurus@quicinc.com Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/firmware/qcom_scm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c index 47ea2bd42b100..0aa0fe86ca8c7 100644 --- a/drivers/firmware/qcom_scm.c +++ b/drivers/firmware/qcom_scm.c @@ -252,7 +252,7 @@ static bool __qcom_scm_is_call_available(struct device *dev, u32 svc_id, break; default: pr_err("Unknown SMC convention being used\n"); - return -EINVAL; + return false; } ret = qcom_scm_call(dev, &desc, &res); -- 2.33.0
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