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misc: mei: client.c: fix problem of return '-EOVERFLOW' in mei_cl_write

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[ Upstream commit ee6236027218f8531916f1c5caa5dc330379f287 ]

Clang static analyzer complains that value stored to 'rets' is never
read.Let 'buf_len = -EOVERFLOW' to make sure we can return '-EOVERFLOW'.

Fixes: 8c8d964ce90f ("mei: move hbuf_depth from the mei device to the hw modules")
Signed-off-by: Su Hui <suhui@nfschina.com>
Link: https://lore.kernel.org/r/20231120095523.178385-2-suhui@nfschina.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Su Hui 2023-11-20 17:55:26 +08:00 • committed by Ksawlii
parent f7fa257c99
commit 51755360d5
1 changed files with 1 additions and 1 deletions
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2
drivers/misc/mei/client.c
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@ -1993,7 +1993,7 @@ ssize_t mei_cl_write(struct mei_cl *cl, struct mei_cl_cb *cb)
hbuf_slots = mei_hbuf_empty_slots(dev);
if (hbuf_slots < 0) {
rets = -EOVERFLOW;
buf_len = -EOVERFLOW;
goto out;
}