match_string() returns the index of an array for a matching string, which can be used intead of open coded variant.
Cc: Bartlomiej Zolnierkiewicz <b.zolnier...@samsung.com> Cc: Tejun Heo <t...@kernel.org> Cc: linux-...@vger.kernel.org Signed-off-by: Yisheng Xie <xieyishe...@huawei.com> --- drivers/ata/pata_hpt37x.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/drivers/ata/pata_hpt37x.c b/drivers/ata/pata_hpt37x.c index 3ba843f..ef8aaeb 100644 --- a/drivers/ata/pata_hpt37x.c +++ b/drivers/ata/pata_hpt37x.c @@ -224,17 +224,14 @@ static int hpt_dma_blacklisted(const struct ata_device *dev, char *modestr, const char * const list[]) { unsigned char model_num[ATA_ID_PROD_LEN + 1]; - int i = 0; + int i; ata_id_c_string(dev->id, model_num, ATA_ID_PROD, sizeof(model_num)); - while (list[i] != NULL) { - if (!strcmp(list[i], model_num)) { - pr_warn("%s is not supported for %s\n", - modestr, list[i]); - return 1; - } - i++; + i = match_string(list, -1, model_num); + if (i >= 0) { + pr_warn("%s is not supported for %s\n", modestr, list[i]); + return 1; } return 0; } -- 1.7.12.4