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-rw-r--r--drivers/md/bcache/super.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 4a77bfd4009f..0f90616dc8d3 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -835,19 +835,19 @@ static int bcache_device_init(struct bcache_device *d, unsigned int block_size,
struct request_queue *q;
const size_t max_stripes = min_t(size_t, INT_MAX,
SIZE_MAX / sizeof(atomic_t));
- size_t n;
+ uint64_t n;
int idx;
if (!d->stripe_size)
d->stripe_size = 1 << 31;
- d->nr_stripes = DIV_ROUND_UP_ULL(sectors, d->stripe_size);
-
- if (!d->nr_stripes || d->nr_stripes > max_stripes) {
- pr_err("nr_stripes too large or invalid: %u (start sector beyond end of disk?)\n",
- (unsigned int)d->nr_stripes);
+ n = DIV_ROUND_UP_ULL(sectors, d->stripe_size);
+ if (!n || n > max_stripes) {
+ pr_err("nr_stripes too large or invalid: %llu (start sector beyond end of disk?)\n",
+ n);
return -ENOMEM;
}
+ d->nr_stripes = n;
n = d->nr_stripes * sizeof(atomic_t);
d->stripe_sectors_dirty = kvzalloc(n, GFP_KERNEL);