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authorRoberto Sassu <roberto.sassu@huawei.com>2023-06-07 19:15:23 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-07-19 17:36:54 +0300
commitebe07db840992a3886694ac3d303b06f4b70ce00 (patch)
tree8431e924f06ca282ee5c5fb077190d771f507f3d /include/linux/ramfs.h
parent35cbaf3516aac075f4d57d5a96473a223d3e6a55 (diff)
downloadlinux-ebe07db840992a3886694ac3d303b06f4b70ce00.tar.xz
shmem: use ramfs_kill_sb() for kill_sb method of ramfs-based tmpfs
commit 36ce9d76b0a93bae799e27e4f5ac35478c676592 upstream. As the ramfs-based tmpfs uses ramfs_init_fs_context() for the init_fs_context method, which allocates fc->s_fs_info, use ramfs_kill_sb() to free it and avoid a memory leak. Link: https://lkml.kernel.org/r/20230607161523.2876433-1-roberto.sassu@huaweicloud.com Fixes: c3b1b1cbf002 ("ramfs: add support for "mode=" mount option") Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com> Cc: Hugh Dickins <hughd@google.com> Cc: David Howells <dhowells@redhat.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/ramfs.h')
-rw-r--r--include/linux/ramfs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/ramfs.h b/include/linux/ramfs.h
index 917528d102c4..d506dc63dd47 100644
--- a/include/linux/ramfs.h
+++ b/include/linux/ramfs.h
@@ -7,6 +7,7 @@
struct inode *ramfs_get_inode(struct super_block *sb, const struct inode *dir,
umode_t mode, dev_t dev);
extern int ramfs_init_fs_context(struct fs_context *fc);
+extern void ramfs_kill_sb(struct super_block *sb);
#ifdef CONFIG_MMU
static inline int