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author | David S. Miller <davem@davemloft.net> | 2014-05-24 00:32:30 -0400 |
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committer | David S. Miller <davem@davemloft.net> | 2014-05-24 00:32:30 -0400 |
commit | 54e5c4def0614ab540fbdf68e45342a4af141702 (patch) | |
tree | 95a2f61c72336932e83d9e4180cd9739106d624b /drivers/char/random.c | |
parent | be65de7174123e02477bd488db1a657caf0f9947 (diff) | |
parent | 1ee1ceafb572f1a925809168267a7962a4289de8 (diff) | |
download | linux-stable-54e5c4def0614ab540fbdf68e45342a4af141702.tar.gz linux-stable-54e5c4def0614ab540fbdf68e45342a4af141702.tar.bz2 linux-stable-54e5c4def0614ab540fbdf68e45342a4af141702.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/bonding/bond_alb.c
drivers/net/ethernet/altera/altera_msgdma.c
drivers/net/ethernet/altera/altera_sgdma.c
net/ipv6/xfrm6_output.c
Several cases of overlapping changes.
The xfrm6_output.c has a bug fix which overlaps the renaming
of skb->local_df to skb->ignore_df.
In the Altera TSE driver cases, the register access cleanups
in net-next overlapped with bug fixes done in net.
Similarly a bug fix to send ALB packets in the bonding driver using
the right source address overlaps with cleanups in net-next.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/char/random.c')
-rw-r--r-- | drivers/char/random.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/char/random.c b/drivers/char/random.c index 6b75713d953a..102c50d38902 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -995,8 +995,11 @@ retry: ibytes = min_t(size_t, ibytes, have_bytes - reserved); if (ibytes < min) ibytes = 0; - entropy_count = max_t(int, 0, - entropy_count - (ibytes << (ENTROPY_SHIFT + 3))); + if (have_bytes >= ibytes + reserved) + entropy_count -= ibytes << (ENTROPY_SHIFT + 3); + else + entropy_count = reserved << (ENTROPY_SHIFT + 3); + if (cmpxchg(&r->entropy_count, orig, entropy_count) != orig) goto retry; |