5.4-stable review patch. If anyone has any objections, please let me know.
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From: Dan Carpenter dan.carpenter@linaro.org
[ Upstream commit 5de775df3362090a6e90046d1f2d83fe62489aa0 ]
The "ret" variable isn't initialized if we don't enter the loop. For example, if "channel->state" is not SMD_CHANNEL_OPENED.
Fixes: 33e3820dda88 ("rpmsg: smd: Use spinlock in tx path") Signed-off-by: Dan Carpenter dan.carpenter@linaro.org Link: https://lore.kernel.org/r/aAkhvV0nSbrsef1P@stanley.mountain Signed-off-by: Bjorn Andersson andersson@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/rpmsg/qcom_smd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/rpmsg/qcom_smd.c b/drivers/rpmsg/qcom_smd.c index b5167ef93abf9..6facf1b31d463 100644 --- a/drivers/rpmsg/qcom_smd.c +++ b/drivers/rpmsg/qcom_smd.c @@ -746,7 +746,7 @@ static int __qcom_smd_send(struct qcom_smd_channel *channel, const void *data, __le32 hdr[5] = { cpu_to_le32(len), }; int tlen = sizeof(hdr) + len; unsigned long flags; - int ret; + int ret = 0;
/* Word aligned channels only accept word size aligned data */ if (channel->info_word && len % 4)