The clone_with_pids() patchset changed alloc_pid() to return an error
code in the pointer. alloc_pid() should then return -ENOMEM rather than
NULL when memory allocations fails.
Signed-off-by: Sukadev Bhattiprolu <sukadev@xxxxxxxxxx>
Index: linux-cr/kernel/pid.c
===================================================================
--- linux-cr.orig/kernel/pid.c 2009-08-19 12:43:45.000000000 -0700
+++ linux-cr/kernel/pid.c 2009-08-19 12:45:33.000000000 -0700
@@ -290,8 +290,10 @@
int tpid;
pid = kmem_cache_alloc(ns->pid_cachep, GFP_KERNEL);
- if (!pid)
+ if (!pid) {
+ pid = ERR_PTR(-ENOMEM);
goto out;
+ }
tmp = ns;
for (i = ns->level; i >= 0; i--) {
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