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rpmsg: qcom_smd: Fix uninitialized return variable in __qcom_smd_send()

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The "ret" variable isn't initialized if we don't enter the loop.  For
example,  if "channel->state" is not SMD_CHANNEL_OPENED.

Fixes: 33e3820dda ("rpmsg: smd: Use spinlock in tx path")
Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Tested-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/aAkhvV0nSbrsef1P@stanley.mountain
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter
2025-04-23 20:22:05 +03:00
committed by Greg Kroah-Hartman
parent 45f0de4f8d
commit 77feb17c95
1 changed files with 1 additions and 1 deletions
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2
drivers/rpmsg/qcom_smd.c
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@@ -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)