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fs: Fix return type of do_mount() from long to int

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Fix the return type of do_mount() function from long to int to match its ac
tual behavior. The function only returns int values, and all callers, inclu
ding those in fs/namespace.c and arch/alpha/kernel/osf_sys.c, already treat
 the return value as int. This change improves type consistency across the
filesystem code and aligns the function signature with its existing impleme
ntation and usage.

Signed-off-by: Sentaro Onizuka <sentaro@amazon.com>
Link: https://lore.kernel.org/r/20250113151400.55512-1-sentaro@amazon.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Sentaro Onizuka
2025-01-14 00:14:00 +09:00
committed by Christian Brauner
parent 344af27715
commit 4f3b63e8a8
2 changed files with 2 additions and 2 deletions
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2
fs/namespace.c
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@@ -3835,7 +3835,7 @@ int path_mount(const char *dev_name, struct path *path,
data_page);
}
long do_mount(const char *dev_name, const char __user *dir_name,
int do_mount(const char *dev_name, const char __user *dir_name,
const char *type_page, unsigned long flags, void *data_page)
{
struct path path;

2
include/linux/mount.h
View File

@@ -114,7 +114,7 @@ extern struct vfsmount *kern_mount(struct file_system_type *);
extern void kern_unmount(struct vfsmount *mnt);
extern int may_umount_tree(struct vfsmount *);
extern int may_umount(struct vfsmount *);
extern long do_mount(const char *, const char __user *,
int do_mount(const char *, const char __user *,
const char *, unsigned long, void *);
extern struct vfsmount *collect_mounts(const struct path *);
extern void drop_collected_mounts(struct vfsmount *);