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5de775df33
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")
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>