diff options
| author | Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> | 2013-02-21 17:07:14 +0100 |
|---|---|---|
| committer | Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> | 2013-02-21 17:07:14 +0100 |
| commit | e29371d762df5bb35d2bc434ea266a046e5a0a75 (patch) | |
| tree | dac4a8db52d92453415f35606130a49e9f32e4ef /fs/proc/proc_sysctl.c | |
| parent | 17b14ca25e9cd6c5cd7605941f6120e405a84f8b (diff) | |
| parent | 894e2ac82bd0029adce7ad6c8d25501fdd82c994 (diff) | |
Merge branch 'master' of git://1984.lsi.us.es/nf
Diffstat (limited to 'fs/proc/proc_sysctl.c')
| -rw-r--r-- | fs/proc/proc_sysctl.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c index a781bdf0669..1827d88ad58 100644 --- a/fs/proc/proc_sysctl.c +++ b/fs/proc/proc_sysctl.c @@ -378,12 +378,13 @@ static int test_perm(int mode, int op) return -EACCES; } -static int sysctl_perm(struct ctl_table_root *root, struct ctl_table *table, int op) +static int sysctl_perm(struct ctl_table_header *head, struct ctl_table *table, int op) { + struct ctl_table_root *root = head->root; int mode; if (root->permissions) - mode = root->permissions(root, current->nsproxy, table); + mode = root->permissions(head, table); else mode = table->mode; @@ -491,7 +492,7 @@ static ssize_t proc_sys_call_handler(struct file *filp, void __user *buf, * and won't be until we finish. */ error = -EPERM; - if (sysctl_perm(head->root, table, write ? MAY_WRITE : MAY_READ)) + if (sysctl_perm(head, table, write ? MAY_WRITE : MAY_READ)) goto out; /* if that can happen at all, it should be -EINVAL, not -EISDIR */ @@ -717,7 +718,7 @@ static int proc_sys_permission(struct inode *inode, int mask) if (!table) /* global root - r-xr-xr-x */ error = mask & MAY_WRITE ? -EACCES : 0; else /* Use the permissions on the sysctl table entry */ - error = sysctl_perm(head->root, table, mask & ~MAY_NOT_BLOCK); + error = sysctl_perm(head, table, mask & ~MAY_NOT_BLOCK); sysctl_head_finish(head); return error; @@ -735,13 +736,6 @@ static int proc_sys_setattr(struct dentry *dentry, struct iattr *attr) if (error) return error; - if ((attr->ia_valid & ATTR_SIZE) && - attr->ia_size != i_size_read(inode)) { - error = vmtruncate(inode, attr->ia_size); - if (error) - return error; - } - setattr_copy(inode, attr); mark_inode_dirty(inode); return 0; |