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authorJakub Kicinski <[email protected]>2025-06-12 17:08:24 +0000
committerJakub Kicinski <[email protected]>2025-06-12 17:09:10 +0000
commit535de528015b56e34a40a8e1eb1629fadf809a84 (patch)
treef0287cdc9d13798b0e723541f51d1dfd8c99c50c /fs/overlayfs/util.c
parentMerge branch 'net-bcmgenet-add-support-for-gro-software-interrupt-coalescing' (diff)
parentMerge tag 'net-6.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/net... (diff)
downloadkernel-535de528015b56e34a40a8e1eb1629fadf809a84.tar.gz
kernel-535de528015b56e34a40a8e1eb1629fadf809a84.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.16-rc2). No conflicts or adjacent changes. Signed-off-by: Jakub Kicinski <[email protected]>
Diffstat (limited to 'fs/overlayfs/util.c')
-rw-r--r--fs/overlayfs/util.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c
index 0819c739cc2f..dcccb4b4a66c 100644
--- a/fs/overlayfs/util.c
+++ b/fs/overlayfs/util.c
@@ -15,6 +15,7 @@
#include <linux/uuid.h>
#include <linux/namei.h>
#include <linux/ratelimit.h>
+#include <linux/overflow.h>
#include "overlayfs.h"
/* Get write access to upper mnt - may fail if upper sb was remounted ro */
@@ -145,9 +146,9 @@ void ovl_stack_free(struct ovl_path *stack, unsigned int n)
struct ovl_entry *ovl_alloc_entry(unsigned int numlower)
{
- size_t size = offsetof(struct ovl_entry, __lowerstack[numlower]);
- struct ovl_entry *oe = kzalloc(size, GFP_KERNEL);
+ struct ovl_entry *oe;
+ oe = kzalloc(struct_size(oe, __lowerstack, numlower), GFP_KERNEL);
if (oe)
oe->__numlower = numlower;
@@ -305,7 +306,9 @@ enum ovl_path_type ovl_path_realdata(struct dentry *dentry, struct path *path)
struct dentry *ovl_dentry_upper(struct dentry *dentry)
{
- return ovl_upperdentry_dereference(OVL_I(d_inode(dentry)));
+ struct inode *inode = d_inode(dentry);
+
+ return inode ? ovl_upperdentry_dereference(OVL_I(inode)) : NULL;
}
struct dentry *ovl_dentry_lower(struct dentry *dentry)