Message ID | 1509280802-14620-1-git-send-email-bianpan2016@163.com |
---|---|
State | Accepted |
Delegated to: | Richard Weinberger |
Headers | show |
Series | ubi: fastmap: use kmem_cache_free to deallocate memory | expand |
On Sun, 29 Oct 2017 20:40:02 +0800 Pan Bian <bianpan2016@163.com> wrote: > 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> Richard, maybe you can add: Fixes: dbb7d2a88d2a ("UBI: Add fastmap core") Cc: <stable@vger.kernel.org> > --- > drivers/mtd/ubi/fastmap.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c > index 5a832bc..717db749 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;
diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c index 5a832bc..717db749 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;
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> --- drivers/mtd/ubi/fastmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)