In mb86a20s_read_status_and_stats(), when mb86a20s_read_status() fails,
the function returns the value in variable rc without initializing it
first. Fix this by propagating the error code from variable status_nr.
This bug has been found using clang and -Wsometimes-uninitialized
warning flag.
Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@xxxxxxx>
---
drivers/media/dvb-frontends/mb86a20s.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/media/dvb-frontends/mb86a20s.c b/drivers/media/dvb-frontends/mb86a20s.c
index 41325328a22e..eca07432645e 100644
--- a/drivers/media/dvb-frontends/mb86a20s.c
+++ b/drivers/media/dvb-frontends/mb86a20s.c
@@ -1971,6 +1971,7 @@ static int mb86a20s_read_status_and_stats(struct dvb_frontend *fe,
if (status_nr < 0) {
dev_err(&state->i2c->dev,
"%s: Can't read frontend lock status\n", __func__);
+ rc = status_nr;
goto error;
}
--
2.9.3
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