aboutsummaryrefslogtreecommitdiffstats
path: root/ipc/shm.c
diff options
context:
space:
mode:
Diffstat (limited to 'ipc/shm.c')
-rw-r--r--ipc/shm.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/ipc/shm.c b/ipc/shm.c
index b8884c288ecc..5fc5cf50cf1b 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -907,7 +907,7 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr)
907 goto out_unlock; 907 goto out_unlock;
908 908
909 path.dentry = dget(shp->shm_file->f_path.dentry); 909 path.dentry = dget(shp->shm_file->f_path.dentry);
910 path.mnt = mntget(shp->shm_file->f_path.mnt); 910 path.mnt = shp->shm_file->f_path.mnt;
911 shp->shm_nattch++; 911 shp->shm_nattch++;
912 size = i_size_read(path.dentry->d_inode); 912 size = i_size_read(path.dentry->d_inode);
913 shm_unlock(shp); 913 shm_unlock(shp);
@@ -915,18 +915,16 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr)
915 err = -ENOMEM; 915 err = -ENOMEM;
916 sfd = kzalloc(sizeof(*sfd), GFP_KERNEL); 916 sfd = kzalloc(sizeof(*sfd), GFP_KERNEL);
917 if (!sfd) 917 if (!sfd)
918 goto out_put_path; 918 goto out_put_dentry;
919 919
920 err = -ENOMEM; 920 err = -ENOMEM;
921 file = get_empty_filp(); 921
922 file = alloc_file(path.mnt, path.dentry, f_mode, &shm_file_operations);
922 if (!file) 923 if (!file)
923 goto out_free; 924 goto out_free;
924 925
925 file->f_op = &shm_file_operations;
926 file->private_data = sfd; 926 file->private_data = sfd;
927 file->f_path = path;
928 file->f_mapping = shp->shm_file->f_mapping; 927 file->f_mapping = shp->shm_file->f_mapping;
929 file->f_mode = f_mode;
930 sfd->id = shp->id; 928 sfd->id = shp->id;
931 sfd->ns = get_ipc_ns(ns); 929 sfd->ns = get_ipc_ns(ns);
932 sfd->file = shp->shm_file; 930 sfd->file = shp->shm_file;
@@ -977,9 +975,8 @@ out_unlock:
977 975
978out_free: 976out_free:
979 kfree(sfd); 977 kfree(sfd);
980out_put_path: 978out_put_dentry:
981 dput(path.dentry); 979 dput(path.dentry);
982 mntput(path.mnt);
983 goto out_nattch; 980 goto out_nattch;
984} 981}
985 982