lkml.org 
[lkml]   [2017]   [Aug]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] igb: check memory allocation failure
Date
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>
---
drivers/net/ethernet/intel/igb/igb_main.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index fd4a46b03cc8..837d9b46a390 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -3162,6 +3162,8 @@ 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)) {
--
2.11.0
\
 
 \ /
  Last update: 2017-08-27 08:42    [W:0.064 / U:0.488 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site