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36ce9d76b0
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: c3b1b1cbf0 ("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>
27 lines
746 B
C
27 lines
746 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_RAMFS_H
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#define _LINUX_RAMFS_H
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#include <linux/fs_parser.h> // bleh...
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struct inode *ramfs_get_inode(struct super_block *sb, const struct inode *dir,
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umode_t mode, dev_t dev);
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extern int ramfs_init_fs_context(struct fs_context *fc);
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extern void ramfs_kill_sb(struct super_block *sb);
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#ifdef CONFIG_MMU
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static inline int
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ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize)
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{
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return 0;
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}
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#else
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extern int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize);
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#endif
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extern const struct fs_parameter_spec ramfs_fs_parameters[];
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extern const struct file_operations ramfs_file_operations;
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extern const struct vm_operations_struct generic_file_vm_ops;
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#endif
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