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soc: arm: stm32: fix sign of timeout variable

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'timeout' needs to be a signed variable, so that the
check for less-than-zero is able to result to true (if
the timeout actually expires). Addresses the coverity
issue [Coverity CID :203493] reported in #18379.

Fixes #18379.

Signed-off-by: Ioannis Glaropoulos <Ioannis.Glaropoulos@nordicsemi.no>
This commit is contained in:
Ioannis Glaropoulos 2019-08-19 13:44:30 +02:00
commit 78e023cdd5
1 changed files with 1 additions and 1 deletions
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soc/arm/st_stm32/stm32h7/soc_m7.c
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@ -24,7 +24,7 @@ static int stm32h7_m4_wakeup(struct device *arg)
LL_AHB4_GRP1_EnableClock(LL_AHB4_GRP1_PERIPH_HSEM);
if (IS_ENABLED(CONFIG_STM32H7_BOOT_CM4_CM7)) {
u32_t timeout;
int timeout;
/*
* When system initialization is finished, Cortex-M7 will