diff options
author | David S. Miller <davem@davemloft.net> | 2016-08-18 01:17:32 -0400 |
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committer | David S. Miller <davem@davemloft.net> | 2016-08-18 01:17:32 -0400 |
commit | 60747ef4d173c2747bf7f0377fb22846cb422195 (patch) | |
tree | ea0faf33b952495c47909be1400c475a3f3821b0 /fs/open.c | |
parent | 484334198f8ce9552e20930fff9408ebf6bcf94d (diff) | |
parent | 184ca823481c99dadd7d946e5afd4bb921eab30d (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Minor overlapping changes for both merge conflicts.
Resolution work done by Stephen Rothwell was used
as a reference.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs/open.c')
-rw-r--r-- | fs/open.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/fs/open.c b/fs/open.c index bf66cf1a9f5c..4fd6e256f4f4 100644 --- a/fs/open.c +++ b/fs/open.c @@ -998,6 +998,26 @@ struct file *file_open_root(struct dentry *dentry, struct vfsmount *mnt, } EXPORT_SYMBOL(file_open_root); +struct file *filp_clone_open(struct file *oldfile) +{ + struct file *file; + int retval; + + file = get_empty_filp(); + if (IS_ERR(file)) + return file; + + file->f_flags = oldfile->f_flags; + retval = vfs_open(&oldfile->f_path, file, oldfile->f_cred); + if (retval) { + put_filp(file); + return ERR_PTR(retval); + } + + return file; +} +EXPORT_SYMBOL(filp_clone_open); + long do_sys_open(int dfd, const char __user *filename, int flags, umode_t mode) { struct open_flags op; |