zram: fix pool name truncation

[mirror_ubuntu-artful-kernel.git] / drivers / block / zram / zram_drv.c

diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index fb655e8d1e3b17bf4cda9fd09593bc7dc770f78d..763301c7828c72650f2abaa1c723425bdd3c73f4 100644 (file)
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -496,10 +496,9 @@ static void zram_meta_free(struct zram_meta *meta, u64 disksize)
        kfree(meta);
 }
 
-static struct zram_meta *zram_meta_alloc(int device_id, u64 disksize)
+static struct zram_meta *zram_meta_alloc(char *pool_name, u64 disksize)
 {
        size_t num_pages;
-       char pool_name[8];
        struct zram_meta *meta = kmalloc(sizeof(*meta), GFP_KERNEL);
 
        if (!meta)
@@ -512,7 +511,6 @@ static struct zram_meta *zram_meta_alloc(int device_id, u64 disksize)
                goto out_error;
        }
 
-       snprintf(pool_name, sizeof(pool_name), "zram%d", device_id);
        meta->mem_pool = zs_create_pool(pool_name, GFP_NOIO | __GFP_HIGHMEM);
        if (!meta->mem_pool) {
                pr_err("Error creating memory pool\n");
@@ -1031,7 +1029,7 @@ static ssize_t disksize_store(struct device *dev,
                return -EINVAL;
 
        disksize = PAGE_ALIGN(disksize);
-       meta = zram_meta_alloc(zram->disk->first_minor, disksize);
+       meta = zram_meta_alloc(zram->disk->disk_name, disksize);
        if (!meta)
                return -ENOMEM;