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kernel: fatal: check if _current is NULL

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Arches which have custom swap to main can have _current be
NULL very, very early in the boot process. Check this to
avoid an infinite loop of fatal errors.

Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
This commit is contained in:
Andrew Boie 2020-10-21 10:43:20 -07:00 • committed by Anas Nashif
commit ad110d495e
1 changed files with 1 additions and 1 deletions
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2
kernel/fatal.c
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@ -48,7 +48,7 @@ __weak void k_sys_fatal_error_handler(unsigned int reason,
static const char *thread_name_get(struct k_thread *thread) static const char *thread_name_get(struct k_thread *thread)
{ {
const char *thread_name = k_thread_name_get(thread); const char *thread_name = thread ? k_thread_name_get(thread) : NULL;
if (thread_name == NULL || thread_name[0] == '\0') { if (thread_name == NULL || thread_name[0] == '\0') {
thread_name = "unknown"; thread_name = "unknown";