Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: [PATCH v4 3/8] PM/sleep: Replace strncmp with str_has_prefix | Date | Mon, 26 Aug 2019 11:19:12 +0200 |
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On Friday, August 9, 2019 9:10:23 AM CEST Chuhong Yuan wrote: > 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> > --- > kernel/power/main.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > 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 >
Applied, thanks!
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