3.8.13.9 -stable review patch. If anyone has any objections, please let me
know.
------------------
From: Al Viro <v...@zeniv.linux.org.uk>
commit b177a29251081576df35cfbcb0f7d7c80deceb8b upstream.
Signed-off-by: Al Viro <v...@zeniv.linux.org.uk>
[ kamal: 3.8.y-stable prereq for:
"f5f6cbb powerpc: Don't Oops when accessing /proc/powerpc/lparcfg without" ]
Signed-off-by: Kamal Mostafa <ka...@canonical.com>
---
arch/powerpc/kernel/lparcfg.c | 11 ++---------
1 file changed, 2 insertions(+), 9 deletions(-)
diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c
index f5725bc..801a757 100644
--- a/arch/powerpc/kernel/lparcfg.c
+++ b/arch/powerpc/kernel/lparcfg.c
@@ -41,8 +41,6 @@
/* #define LPARCFG_DEBUG */
-static struct proc_dir_entry *proc_ppc64_lparcfg;
-
/*
* Track sum of all purrs across all processors. This is used to further
* calculate usage values by different applications
@@ -688,27 +686,22 @@ static const struct file_operations lparcfg_fops = {
static int __init lparcfg_init(void)
{
- struct proc_dir_entry *ent;
umode_t mode = S_IRUSR | S_IRGRP | S_IROTH;
/* Allow writing if we have FW_FEATURE_SPLPAR */
if (firmware_has_feature(FW_FEATURE_SPLPAR))
mode |= S_IWUSR;
- ent = proc_create("powerpc/lparcfg", mode, NULL, &lparcfg_fops);
- if (!ent) {
+ if (!proc_create("powerpc/lparcfg", mode, NULL, &lparcfg_fops)) {
printk(KERN_ERR "Failed to create powerpc/lparcfg\n");
return -EIO;
}
-
- proc_ppc64_lparcfg = ent;
return 0;
}
static void __exit lparcfg_cleanup(void)
{
- if (proc_ppc64_lparcfg)
- remove_proc_entry("lparcfg", proc_ppc64_lparcfg->parent);
+ remove_proc_subtree("powerpc/lparcfg", NULL);
}
module_init(lparcfg_init);
--
1.8.1.2
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