From 85322ddd449a8d2bd02dd3dc388932a62fd75b35 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Wed, 23 Apr 2025 20:22:05 +0300 Subject: [PATCH] rpmsg: qcom_smd: Fix uninitialized return variable in __qcom_smd_send() [ 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 Link: https://lore.kernel.org/r/aAkhvV0nSbrsef1P@stanley.mountain Signed-off-by: Bjorn Andersson Signed-off-by: Sasha Levin --- 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 43f601c84b4f..79d35ab43729 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)