Messages in this thread Patch in this message | | | From | Horatiu Vultur <> | Subject | [PATCH net-next] net: sparx5: Fix initialization of variables on stack | Date | Fri, 4 Mar 2022 15:09:18 +0100 |
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The variables 'res' inside the functions sparx5_ptp_get_1ppm and sparx5_ptp_get_nominal_value was not initialized. So in case of the default case of the switch after, it would return an uninitialized variable. This makes also the clang builds to failed.
Fixes: 0933bd04047c3b ("net: sparx5: Add support for ptp clocks") Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com> --- drivers/net/ethernet/microchip/sparx5/sparx5_ptp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_ptp.c b/drivers/net/ethernet/microchip/sparx5/sparx5_ptp.c index fa377f6e7e08..cd110c31e5a4 100644 --- a/drivers/net/ethernet/microchip/sparx5/sparx5_ptp.c +++ b/drivers/net/ethernet/microchip/sparx5/sparx5_ptp.c @@ -32,7 +32,7 @@ static u64 sparx5_ptp_get_1ppm(struct sparx5 *sparx5) * (1/1000000)/((2^-59)/X) */ - u64 res; + u64 res = 0; switch (sparx5->coreclock) { case SPX5_CORE_CLOCK_250MHZ: @@ -54,7 +54,7 @@ static u64 sparx5_ptp_get_1ppm(struct sparx5 *sparx5) static u64 sparx5_ptp_get_nominal_value(struct sparx5 *sparx5) { - u64 res; + u64 res = 0; switch (sparx5->coreclock) { case SPX5_CORE_CLOCK_250MHZ: -- 2.33.0
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