Message ID | 20190805122244.12986-1-hslester96@gmail.com (mailing list archive) |
---|---|
State | Superseded, archived |
Headers | show |
Series | Replace strncmp with str_has_prefix | expand |
diff --git a/kernel/power/main.c b/kernel/power/main.c index bdbd605c4215..5e5f64bb3a43 100644 --- a/kernel/power/main.c +++ b/kernel/power/main.c @@ -495,7 +495,7 @@ static suspend_state_t decode_state(const char *buf, size_t n) len = p ? p - buf : n; /* Check hibernation first. */ - if (len == 4 && !strncmp(buf, "disk", len)) + if (len == 4 && str_has_prefix(buf, "disk")) return PM_SUSPEND_MAX; #ifdef CONFIG_SUSPEND
strncmp(str, const, len) is error-prone because len is easy to have typo. The example is the hard-coded len has counting error or sizeof(const) forgets - 1. So we prefer using newly introduced str_has_prefix() to substitute such strncmp to make code better. Signed-off-by: Chuhong Yuan <hslester96@gmail.com> --- Changes in v3: - Revise the description. kernel/power/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)