From: Jeremy Kerr <jk@ozlabs.org>
Date: Mon, 13 Aug 2007 03:22:44 +0000 (+1000)
Subject: [POWERPC] cell: Fix errno for modular spufs_create with invalid neighbour
X-Git-Tag: v2.6.23-rc4~130^2~5
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ad941fe4b6b83999863f49dfba7b3d2cebc4ced5;p=linux-2.6

[POWERPC] cell: Fix errno for modular spufs_create with invalid neighbour

At present, spu_create with an invalid neighbo(u)r will return -ENOSYS,
not -EBADF, but only when spufs.o is built as a module.

This change adds the appropriate errno, making the behaviour the same
as the built-in case.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Acked-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
---

diff --git a/arch/powerpc/platforms/cell/spu_syscalls.c b/arch/powerpc/platforms/cell/spu_syscalls.c
index dd2c6688c8..027ac32cc6 100644
--- a/arch/powerpc/platforms/cell/spu_syscalls.c
+++ b/arch/powerpc/platforms/cell/spu_syscalls.c
@@ -45,6 +45,7 @@ asmlinkage long sys_spu_create(const char __user *name,
 	if (owner && try_module_get(owner)) {
 		if (flags & SPU_CREATE_AFFINITY_SPU) {
 			neighbor = fget_light(neighbor_fd, &fput_needed);
+			ret = -EBADF;
 			if (neighbor) {
 				ret = spufs_calls.create_thread(name, flags,
 								mode, neighbor);