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switch alloc_file() to passing struct path

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... and have the caller grab both mnt and dentry; kill
leak in infiniband, while we are at it.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2009-08-09 00:52:35 +04:00
parent a95161aaa8
commit 2c48b9c455
11 changed files with 78 additions and 63 deletions
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10
ipc/shm.c
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@ -878,8 +878,8 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr)
if (err)
goto out_unlock;
path.dentry = dget(shp->shm_file->f_path.dentry);
path.mnt = shp->shm_file->f_path.mnt;
path = shp->shm_file->f_path;
path_get(&path);
shp->shm_nattch++;
size = i_size_read(path.dentry->d_inode);
shm_unlock(shp);
@ -889,8 +889,8 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr)
if (!sfd)
goto out_put_dentry;
file = alloc_file(path.mnt, path.dentry, f_mode,
is_file_hugepages(shp->shm_file) ?
file = alloc_file(&path, f_mode,
is_file_hugepages(shp->shm_file) ?
&shm_file_operations_huge :
&shm_file_operations);
if (!file)
@ -950,7 +950,7 @@ out_unlock:
out_free:
kfree(sfd);
out_put_dentry:
dput(path.dentry);
path_put(&path);
goto out_nattch;
}