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drivers: hwinfo: Avoid kernel memory leak to user #4610

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drivers: hwinfo: Avoid kernel memory leak to user #4610

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4 changes: 2 additions & 2 deletions drivers/hwinfo/hwinfo_handlers.c
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Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,7 @@ int z_vrfy_hwinfo_get_device_eui64(uint8_t *buffer)
int z_vrfy_hwinfo_get_reset_cause(uint32_t *cause)
{
int ret;
uint32_t cause_copy;
uint32_t cause_copy = 0U;

ret = z_impl_hwinfo_get_reset_cause(&cause_copy);
K_OOPS(k_usermode_to_copy(cause, &cause_copy, sizeof(uint32_t)));
Expand All @@ -45,7 +45,7 @@ int z_vrfy_hwinfo_clear_reset_cause(void)
int z_vrfy_hwinfo_get_supported_reset_cause(uint32_t *supported)
{
int ret;
uint32_t supported_copy;
uint32_t supported_copy = 0U;

ret = z_impl_hwinfo_get_supported_reset_cause(&supported_copy);
K_OOPS(k_usermode_to_copy(supported, &supported_copy, sizeof(uint32_t)));
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