[patch 021/198] net: don't call kmem_cache_create with a spinlock held

From: akpm
Date: Tue Apr 12 2005 - 13:02:01 EST



From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxxxxxxxx>

This fixes the warning reported by Marcel Holtmann (Thanks!).

Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---

25-akpm/net/core/sock.c | 9 ++++-----
1 files changed, 4 insertions(+), 5 deletions(-)

diff -puN net/core/sock.c~dont-call-kmem_cache_create-with-a-spinlock-held net/core/sock.c
--- 25/net/core/sock.c~dont-call-kmem_cache_create-with-a-spinlock-held 2005-04-12 03:21:08.325871176 -0700
+++ 25-akpm/net/core/sock.c 2005-04-12 03:21:08.329870568 -0700
@@ -1359,8 +1359,6 @@ int proto_register(struct proto *prot, i
{
int rc = -ENOBUFS;

- write_lock(&proto_list_lock);
-
if (alloc_slab) {
prot->slab = kmem_cache_create(prot->name, prot->obj_size, 0,
SLAB_HWCACHE_ALIGN, NULL, NULL);
@@ -1368,14 +1366,15 @@ int proto_register(struct proto *prot, i
if (prot->slab == NULL) {
printk(KERN_CRIT "%s: Can't create sock SLAB cache!\n",
prot->name);
- goto out_unlock;
+ goto out;
}
}

+ write_lock(&proto_list_lock);
list_add(&prot->node, &proto_list);
- rc = 0;
-out_unlock:
write_unlock(&proto_list_lock);
+ rc = 0;
+out:
return rc;
}

_
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/