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author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2017-08-27 08:39:51 +0200 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-12-25 14:22:14 +0100 |
commit | cffbf0ffc47c5a3a438bd9d792fa541b3069b380 (patch) | |
tree | 0224da19c2c11ee1549ba9354bc773741e0dd35e | |
parent | 1e91b0d64e921678b8c98f7a4980b169181a9bad (diff) |
igb: check memory allocation failure
[ Upstream commit 18eb86362a52f0af933cc0fd5e37027317eb2d1c ]
Check memory allocation failures and return -ENOMEM in such cases, as
already done for other memory allocations in this function.
This avoids NULL pointers dereference.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Tested-by: Aaron Brown <aaron.f.brown@intel.com
Acked-by: PJ Waskiewicz <peter.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | drivers/net/ethernet/intel/igb/igb_main.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index c55552c3d2f9..53803fd6350c 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -3005,6 +3005,8 @@ static int igb_sw_init(struct igb_adapter *adapter) /* Setup and initialize a copy of the hw vlan table array */ adapter->shadow_vfta = kcalloc(E1000_VLAN_FILTER_TBL_SIZE, sizeof(u32), GFP_ATOMIC); + if (!adapter->shadow_vfta) + return -ENOMEM; /* This call may decrease the number of queues */ if (igb_init_interrupt_scheme(adapter, true)) { |