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net: sparx5: Fix initialization of variables on stack

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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: 0933bd0404 ("net: sparx5: Add support for ptp clocks")
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Link: https://lore.kernel.org/r/20220304140918.3356873-1-horatiu.vultur@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Horatiu Vultur 2022-03-04 15:09:18 +01:00 committed by Jakub Kicinski
parent 2bc0a832fa
commit 349fa2796e
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/microchip/sparx5/sparx5_ptp.c
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@ -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: