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infra: retry creation on -ELOOP

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Thomas Schoebel-Theuer 2020-07-28 18:45:28 +02:00
parent a5576d5ad3
commit 3fb3ce9c8e
1 changed files with 8 additions and 1 deletions
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9
kernel/sy_old/sy_generic.c
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@ -3084,7 +3084,14 @@ do_switch:
}
// switch on/off (may fail silently, but responsibility is at the workers)
status = mars_power_button((void*)brick, switch_state, false);
status = mars_power_button((void *)brick, switch_state, false);
/* retry when a stray symlink during O_NOFOLLOW was the reason */
if (status == -ELOOP && switch_state) {
mars_unlink(new_path);
status = mars_power_button((void *)brick, switch_state, false);
}
MARS_DBG("switch '%s' to %d status = %d\n", new_path, switch_state, status);
goto done;