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authorRafael J. Wysocki <rjw@sisk.pl>2011-12-21 21:59:45 +0100
committerRafael J. Wysocki <rjw@sisk.pl>2011-12-21 21:59:45 +0100
commitb00f4dc5ff022cb9cbaffd376d9454d7fa1e496f (patch)
tree40f1b232e2f1e8ac365317a14fdcbcb331722b46 /security/tomoyo/realpath.c
parentPM / Sleep: Merge internal functions in generic_ops.c (diff)
parentMerge git://git.infradead.org/mtd-2.6 (diff)
downloadlinux-b00f4dc5ff022cb9cbaffd376d9454d7fa1e496f.tar.xz
linux-b00f4dc5ff022cb9cbaffd376d9454d7fa1e496f.zip
Merge branch 'master' into pm-sleep
* master: (848 commits) SELinux: Fix RCU deref check warning in sel_netport_insert() binary_sysctl(): fix memory leak mm/vmalloc.c: remove static declaration of va from __get_vm_area_node ipmi_watchdog: restore settings when BMC reset oom: fix integer overflow of points in oom_badness memcg: keep root group unchanged if creation fails nilfs2: potential integer overflow in nilfs_ioctl_clean_segments() nilfs2: unbreak compat ioctl cpusets: stall when updating mems_allowed for mempolicy or disjoint nodemask evm: prevent racing during tfm allocation evm: key must be set once during initialization mmc: vub300: fix type of firmware_rom_wait_states module parameter Revert "mmc: enable runtime PM by default" mmc: sdhci: remove "state" argument from sdhci_suspend_host x86, dumpstack: Fix code bytes breakage due to missing KERN_CONT IB/qib: Correct sense on freectxts increment and decrement RDMA/cma: Verify private data length cgroups: fix a css_set not found bug in cgroup_attach_proc oprofile: Fix uninitialized memory access when writing to writing to oprofilefs Revert "xen/pv-on-hvm kexec: add xs_reset_watches to shutdown watches from old kernel" ... Conflicts: kernel/cgroup_freezer.c
Diffstat (limited to 'security/tomoyo/realpath.c')
-rw-r--r--security/tomoyo/realpath.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/security/tomoyo/realpath.c b/security/tomoyo/realpath.c
index 738bbdf8d4c7..d9f3ced8756e 100644
--- a/security/tomoyo/realpath.c
+++ b/security/tomoyo/realpath.c
@@ -101,9 +101,8 @@ static char *tomoyo_get_absolute_path(struct path *path, char * const buffer,
{
char *pos = ERR_PTR(-ENOMEM);
if (buflen >= 256) {
- struct path ns_root = { };
/* go to whatever namespace root we are under */
- pos = __d_path(path, &ns_root, buffer, buflen - 1);
+ pos = d_absolute_path(path, buffer, buflen - 1);
if (!IS_ERR(pos) && *pos == '/' && pos[1]) {
struct inode *inode = path->dentry->d_inode;
if (inode && S_ISDIR(inode->i_mode)) {
@@ -294,8 +293,16 @@ char *tomoyo_realpath_from_path(struct path *path)
pos = tomoyo_get_local_path(path->dentry, buf,
buf_len - 1);
/* Get absolute name for the rest. */
- else
+ else {
pos = tomoyo_get_absolute_path(path, buf, buf_len - 1);
+ /*
+ * Fall back to local name if absolute name is not
+ * available.
+ */
+ if (pos == ERR_PTR(-EINVAL))
+ pos = tomoyo_get_local_path(path->dentry, buf,
+ buf_len - 1);
+ }
encode:
if (IS_ERR(pos))
continue;