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fix: Fix wrong judgment in los_trace.c to avoid null pointer access. 

Fix wrong judgment in los_trace.c to avoid null pointer access.

Close #I3RT9F

Change-Id: Id37b80fc6acc085205695318232d5f4fd75472aa
This commit is contained in:
boxi 2021-05-18 17:21:47 +08:00
parent e7c0c5173a
commit 4d863e985b
1 changed files with 1 additions and 1 deletions
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2
kernel/extended/trace/los_trace.c
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@ -454,7 +454,7 @@ UINT32 OsShellCmdTraceSwitch(INT32 argc, const CHAR **argv)
if (isdigit(argv[0][0]) != 0) {
CHAR *endPtr = NULL;
UINT32 traceType = strtoul(argv[0], &endPtr, 0);
if ((endPtr != NULL) || (*endPtr != 0)) {
if ((endPtr == NULL) || (*endPtr != 0)) {
PRINTK("Unknown option: %s\n", argv[0]);
goto TRACE_HELP;
}