um: vector: remove unused len variable/calculation

The len variable is unused, so not needed, remove it.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Tiwei Bie <tiwei.btw@antgroup.com>
Signed-off-by: Richard Weinberger <richard@nod.at>

diff --git a/arch/um/drivers/vector_kern.c b/arch/um/drivers/vector_kern.c
index 63e5f108a6b95f270c87b837e0e2197314896495..4279793b11b71531b898029e3a5e0d86a5b90867 100644 (file)
--- a/arch/um/drivers/vector_kern.c
+++ b/arch/um/drivers/vector_kern.c
@@ -712,11 +712,9 @@ static struct vector_device *find_device(int n)
 static int vector_parse(char *str, int *index_out, char **str_out,
                        char **error_out)
 {
-       int n, len, err;
+       int n, err;
        char *start = str;
 
-       len = strlen(str);
-
        while ((*str != ':') && (strlen(str) > 1))
                str++;
        if (*str != ':') {