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kdb: Replace strncmp with str_has_prefix

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strncmp(str, const, len) is error-prone.
We had better use newly introduced
str_has_prefix() instead of it.

Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
This commit is contained in:
Chuhong Yuan 2019-07-29 23:13:59 +08:00 committed by Daniel Thompson
parent d1abaeb3be
commit 635714312e
1 changed files with 1 additions and 1 deletions
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kernel/debug/kdb/kdb_main.c
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@ -830,7 +830,7 @@ static void parse_grep(const char *str)
cp++;
while (isspace(*cp))
cp++;
if (strncmp(cp, "grep ", 5)) {
if (!str_has_prefix(cp, "grep ")) {
kdb_printf("invalid 'pipe', see grephelp\n");
return;
}