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drm_mode_create_lease_ioctl(): fix open-coded filp_clone_open()

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Failure of ->open() should *not* be followed by fput().  Fixed by
using filp_clone_open(), which gets the cleanups right.

Cc: stable@vger.kernel.org
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2018-06-08 11:17:54 -04:00
parent 877f919e19
commit b4e7a7a88b
3 changed files with 2 additions and 16 deletions
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include/linux/fs.h
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@@ -2422,6 +2422,7 @@ extern struct file *filp_open(const char *, int, umode_t);
extern struct file *file_open_root(struct dentry *, struct vfsmount *,
const char *, int, umode_t);
extern struct file * dentry_open(const struct path *, int, const struct cred *);
extern struct file *filp_clone_open(struct file *);
extern int filp_close(struct file *, fl_owner_t id);
extern struct filename *getname_flags(const char __user *, int, int *);