From: Radheka Godse <radheka.godse@intel.com>
To: fubar@us.ibm.com, bonding-devel@lists.sourceforge.net
Cc: netdev@oss.sgi.com
Subject: [PATCH 2.6.13-rc1 6/17] bonding: ALB init kmalloc inside spinlock bugfix
Date: Fri, 1 Jul 2005 13:45:56 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.61.0507011343260.17459@localhost.localdomain> (raw)
This patch corrects bug in ALB init where kmalloc called inside a held
lock causes stacdump in debug mode
Signed-off-by: Radheka Godse <radheka.godse@intel.com>
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
diff -urN -X dontdiff linux-2.6.12post/drivers/net/bonding/bond_alb.c linux-2.6.12post-sysfs/drivers/net/bonding/bond_alb.c
--- linux-2.6.12post/drivers/net/bonding/bond_alb.c 2005-06-17 12:48:29.000000000 -0700
+++ linux-2.6.12post-sysfs/drivers/net/bonding/bond_alb.c 2005-06-28 18:21:35.000000000 -0700
@@ -198,20 +198,21 @@
{
struct alb_bond_info *bond_info = &(BOND_ALB_INFO(bond));
int size = TLB_HASH_TABLE_SIZE * sizeof(struct tlb_client_info);
+ struct tlb_client_info *new_hashtbl;
int i;
spin_lock_init(&(bond_info->tx_hashtbl_lock));
- _lock_tx_hashtbl(bond);
-
- bond_info->tx_hashtbl = kmalloc(size, GFP_KERNEL);
- if (!bond_info->tx_hashtbl) {
+ new_hashtbl = kmalloc(size, GFP_KERNEL);
+ if (!new_hashtbl) {
printk(KERN_ERR DRV_NAME
": Error: %s: Failed to allocate TLB hash table\n",
bond->dev->name);
- _unlock_tx_hashtbl(bond);
return -1;
}
+ _lock_tx_hashtbl(bond);
+
+ bond_info->tx_hashtbl = new_hashtbl;
memset(bond_info->tx_hashtbl, 0, size);
@@ -798,21 +801,22 @@
{
struct alb_bond_info *bond_info = &(BOND_ALB_INFO(bond));
struct packet_type *pk_type = &(BOND_ALB_INFO(bond).rlb_pkt_type);
+ struct rlb_client_info *new_hashtbl;
int size = RLB_HASH_TABLE_SIZE * sizeof(struct rlb_client_info);
int i;
spin_lock_init(&(bond_info->rx_hashtbl_lock));
- _lock_rx_hashtbl(bond);
-
- bond_info->rx_hashtbl = kmalloc(size, GFP_KERNEL);
- if (!bond_info->rx_hashtbl) {
+ new_hashtbl = kmalloc(size, GFP_KERNEL);
+ if (!new_hashtbl) {
printk(KERN_ERR DRV_NAME
": Error: %s: Failed to allocate RLB hash table\n",
bond->dev->name);
- _unlock_rx_hashtbl(bond);
return -1;
}
+ _lock_rx_hashtbl(bond);
+
+ bond_info->rx_hashtbl = new_hashtbl;
bond_info->rx_hashtbl_head = RLB_NULL_INDEX;
reply other threads:[~2005-07-01 20:45 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=Pine.LNX.4.61.0507011343260.17459@localhost.localdomain \
--to=radheka.godse@intel.com \
--cc=bonding-devel@lists.sourceforge.net \
--cc=fubar@us.ibm.com \
--cc=netdev@oss.sgi.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox