dm stripe: fix size test

[deliverable/linux.git] / drivers / md / dm-stripe.c

diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c
index 35c94ff24ad5867917ed715a8ce387fbb8d3b150..1f6316ed2b318a8906ecbbcde69f488c165885dd 100644 (file)
--- a/drivers/md/dm-stripe.c
+++ b/drivers/md/dm-stripe.c
@@ -99,7 +99,6 @@ static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv)
        sector_t width;
        uint32_t stripes;
        uint32_t chunk_size;
-       char *end;
        int r;
        unsigned int i;
 
@@ -108,14 +107,12 @@ static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv)
                return -EINVAL;
        }
 
-       stripes = simple_strtoul(argv[0], &end, 10);
-       if (!stripes || *end) {
+       if (kstrtouint(argv[0], 10, &stripes) || !stripes) {
                ti->error = "Invalid stripe count";
                return -EINVAL;
        }
 
-       chunk_size = simple_strtoul(argv[1], &end, 10);
-       if (*end) {
+       if (kstrtouint(argv[1], 10, &chunk_size)) {
                ti->error = "Invalid chunk_size";
                return -EINVAL;
        }
@@ -135,7 +132,6 @@ static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv)
                return -EINVAL;
        }
 
-       width = ti->len;
        if (sector_div(width, stripes)) {
                ti->error = "Target length not divisible by "
                    "number of stripes";