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Red Hat Bugzilla – Attachment 889190 Details for
Bug 1087813
suspicious RCU usage in drivers/net/ethernet/broadcom/cnic.c
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[patch]
RCU Lockdep Issue
0001-cnic-Fix-RCU-dereference-usage.patch (text/plain), 942 bytes, created by
Tej Parkash
on 2014-04-24 06:14:26 UTC
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Description:
RCU Lockdep Issue
Filename:
MIME Type:
Creator:
Tej Parkash
Created:
2014-04-24 06:14:26 UTC
Size:
942 bytes
patch
obsolete
>From 9035e99a66396b8dfa654f7e162cf09b429cb2bb Mon Sep 17 00:00:00 2001 >From: Tej Parkash <tej.parkash@qlogic.com> >Date: Mon, 21 Apr 2014 14:48:16 +0530 >Subject: [PATCH] cnic: Fix RCU dereference usage > >Signed-off-by: Tej Parkash <tej.parkash@qlogic.com> >--- > drivers/net/ethernet/broadcom/cnic.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > >diff --git a/drivers/net/ethernet/broadcom/cnic.c b/drivers/net/ethernet/broadcom/cnic.c >index 09f3fef..4589fdd 100644 >--- a/drivers/net/ethernet/broadcom/cnic.c >+++ b/drivers/net/ethernet/broadcom/cnic.c >@@ -573,7 +573,7 @@ static int cnic_register_device(struct cnic_dev *dev, int ulp_type, > mutex_unlock(&cnic_lock); > return -EAGAIN; > } >- if (rcu_dereference(cp->ulp_ops[ulp_type])) { >+ if (rcu_access_pointer(cp->ulp_ops[ulp_type])) { > pr_err("%s: Type %d has already been registered to this device\n", > __func__, ulp_type); > mutex_unlock(&cnic_lock); >-- >1.7.1 >
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