match_string() returns the index of an array for a matching string,
which can be used instead of open coded variant.
Cc: Kent Overstreet <kent.overstreet@xxxxxxxxx>
Cc: linux-bcache@xxxxxxxxxxxxxxx
Signed-off-by: Yisheng Xie <xieyisheng1@xxxxxxxxxx>
---
drivers/md/bcache/util.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)
diff --git a/drivers/md/bcache/util.c b/drivers/md/bcache/util.c
index 74febd5..cd1f4fd 100644
--- a/drivers/md/bcache/util.c
+++ b/drivers/md/bcache/util.c
@@ -136,22 +136,17 @@ ssize_t bch_snprint_string_list(char *buf, size_t size, const char * const list[
ssize_t bch_read_string_list(const char *buf, const char * const list[])
{
- size_t i;
+ ssize_t i;
char *s, *d = kstrndup(buf, PAGE_SIZE - 1, GFP_KERNEL);
if (!d)
return -ENOMEM;
s = strim(d);
- for (i = 0; list[i]; i++)
- if (!strcmp(list[i], s))
- break;
+ i = match_string(list, -1, s);
kfree(d);
- if (!list[i])
- return -EINVAL;
-
return i;
}
--
1.7.12.4
--
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