On 07/29/2009 01:49 PM, Michael Chan wrote:
Changing to GFP_ATOMIC because the only caller in cnic/bnx2i may
be calling this function while holding spin_lock.
This problem was discovered by Mike Christie.
Signed-off-by: Michael Chanmc...@broadcom.com
---
drivers/scsi/scsi_transport_iscsi.c |4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/scsi_transport_iscsi.c
b/drivers/scsi/scsi_transport_iscsi.c
index 783e33c..b47240c 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -990,7 +990,7 @@ int iscsi_offload_mesg(struct Scsi_Host *shost,
struct iscsi_uevent *ev;
int len = NLMSG_SPACE(sizeof(*ev) + data_size);
- skb = alloc_skb(len, GFP_NOIO);
+ skb = alloc_skb(len, GFP_ATOMIC);
if (!skb) {
printk(KERN_ERR can not deliver iscsi offload message:OOM\n);
return -ENOMEM;
@@ -1012,7 +1012,7 @@ int iscsi_offload_mesg(struct Scsi_Host *shost,
memcpy((char *)ev + sizeof(*ev), data, data_size);
- return iscsi_multicast_skb(skb, ISCSI_NL_GRP_UIP, GFP_NOIO);
+ return iscsi_multicast_skb(skb, ISCSI_NL_GRP_UIP, GFP_ATOMIC);
}
EXPORT_SYMBOL_GPL(iscsi_offload_mesg);
Using GFP_NOIO and changing the locking is my preference normally, but
if the locking changes are going to be a problem, then this is ok with
me since we can fail allocations in other parts of the code.
Acked-by: Mike Christie micha...@cs.wisc.edu
Dave Miller probably wants to take this in his tree since it fixes a bug
with this patch
http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git;a=commit;h=6d7760a88c25057c2c2243e5dfe2d731064bd31d
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