[PATCH] platform/x86: acerhdf: Cleanup str_starts_with()

From: Wei Li
Date: Fri Mar 25 2022 - 22:01:29 EST


Since there is already a generic function strstarts() that check if a
string starts with a given prefix, cleanup str_starts_with().

Signed-off-by: Wei Li <liwei391@xxxxxxxxxx>
---
drivers/platform/x86/acerhdf.c | 21 +++------------------
1 file changed, 3 insertions(+), 18 deletions(-)

diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c
index 6b8b3ab8db48..3c589437b41e 100644
--- a/drivers/platform/x86/acerhdf.c
+++ b/drivers/platform/x86/acerhdf.c
@@ -584,21 +584,6 @@ static struct platform_driver acerhdf_driver = {
.remove = acerhdf_remove,
};

-/* checks if str begins with start */
-static int str_starts_with(const char *str, const char *start)
-{
- unsigned long str_len = 0, start_len = 0;
-
- str_len = strlen(str);
- start_len = strlen(start);
-
- if (str_len >= start_len &&
- !strncmp(str, start, start_len))
- return 1;
-
- return 0;
-}
-
/* check hardware */
static int __init acerhdf_check_hardware(void)
{
@@ -651,9 +636,9 @@ static int __init acerhdf_check_hardware(void)
* check if actual hardware BIOS vendor, product and version
* IDs start with the strings of BIOS table entry
*/
- if (str_starts_with(vendor, bt->vendor) &&
- str_starts_with(product, bt->product) &&
- str_starts_with(version, bt->version)) {
+ if (strstarts(vendor, bt->vendor) &&
+ strstarts(product, bt->product) &&
+ strstarts(version, bt->version)) {
found = 1;
break;
}
--
2.25.1