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misc: mei: client.c: fix problem of return '-EOVERFLOW' in mei_cl_write
author
Su Hui
<suhui@nfschina.com>
Mon, 20 Nov 2023 09:55:26 +0000
(17:55 +0800)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Wed, 13 Dec 2023 17:45:29 +0000
(18:45 +0100)
[ 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>
drivers/misc/mei/client.c
patch
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diff --git
a/drivers/misc/mei/client.c
b/drivers/misc/mei/client.c
index
75bc2a3
..
32f2287
100644
(file)
--- a/
drivers/misc/mei/client.c
+++ b/
drivers/misc/mei/client.c
@@
-2032,7
+2032,7
@@
ssize_t mei_cl_write(struct mei_cl *cl, struct mei_cl_cb *cb, unsigned long time
hbuf_slots = mei_hbuf_empty_slots(dev);
if (hbuf_slots < 0) {
-
rets
= -EOVERFLOW;
+
buf_len
= -EOVERFLOW;
goto out;
}