From: Pan Bian <bianpan2016@163.com>
Date: Sun, 29 Oct 2017 12:40:02 +0000 (+0800)
Subject: ubi: fastmap: Use kmem_cache_free to deallocate memory
X-Git-Tag: v4.16-rc1~183^2~12
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=af7bcee27652bbf2502207500ad200763707a160;p=users%2Fwilly%2Fxarray.git

ubi: fastmap: Use kmem_cache_free to deallocate memory

Memory allocated by kmem_cache_alloc() should not be deallocated with
kfree(). Use kmem_cache_free() instead.

Signed-off-by: Pan Bian <bianpan2016@163.com>
Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---

diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c
index 5a832bc79b1b..717db749808a 100644
--- a/drivers/mtd/ubi/fastmap.c
+++ b/drivers/mtd/ubi/fastmap.c
@@ -1063,7 +1063,7 @@ int ubi_scan_fastmap(struct ubi_device *ubi, struct ubi_attach_info *ai,
 		e = kmem_cache_alloc(ubi_wl_entry_slab, GFP_KERNEL);
 		if (!e) {
 			while (i--)
-				kfree(fm->e[i]);
+				kmem_cache_free(ubi_wl_entry_slab, fm->e[i]);
 
 			ret = -ENOMEM;
 			goto free_hdr;