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[PATCH] spufs: fix module refcount race 

One of the two users of spufs_calls.owner still has a race
when calling try_module_get while the module is removed.
This makes it use the correct instance of owner.

Noticed by Milton Miller.

Signed-off-by: Arnd Bergmann <arndb@de.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Arnd Bergmann 2005-12-09 19:04:15 +01:00 committed by Paul Mackerras
parent a819f8ba76
commit 59d6d39f30
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/platforms/cell/spu_syscalls.c
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@ -40,7 +40,7 @@ asmlinkage long sys_spu_create(const char __user *name,
struct module *owner = spufs_calls.owner;
ret = -ENOSYS;
if (owner && try_module_get(spufs_calls.owner)) {
if (owner && try_module_get(owner)) {
ret = spufs_calls.create_thread(name, flags, mode);
module_put(owner);
}