[PATCH 01/12] hw_random: mxc-rngc: fix read of uninitialized variable
Ahmad Fatoum
a.fatoum at pengutronix.de
Wed Sep 30 03:19:54 EDT 2020
err is evaluated in a ternary condition on return, but if the while
loop is never entered, it is left uninitialized. Fix this.
Reported-by: clang-analyzer-10
Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
---
drivers/hw_random/mxc-rngc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hw_random/mxc-rngc.c b/drivers/hw_random/mxc-rngc.c
index 3ed25aa61d05..075c20e43745 100644
--- a/drivers/hw_random/mxc-rngc.c
+++ b/drivers/hw_random/mxc-rngc.c
@@ -133,7 +133,7 @@ static int mxc_rngc_data_present(struct hwrng *rng)
static int mxc_rngc_read(struct hwrng *rng, void *buf, size_t max, bool wait)
{
struct mxc_rngc *rngc = container_of(rng, struct mxc_rngc, rng);
- unsigned int err;
+ unsigned int err = 0;
int count = 0;
u32 *data = buf;
--
2.28.0
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