lkml.org 
[lkml]   [2016]   [Jul]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 1/1] net: ethernet: ax88796: avoid null pointer dereference
Date
If platform_get_resource fails, mem2 is null.
Do not dereference null.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
---
drivers/net/ethernet/8390/ax88796.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/8390/ax88796.c b/drivers/net/ethernet/8390/ax88796.c
index 5698f53..39ca935 100644
--- a/drivers/net/ethernet/8390/ax88796.c
+++ b/drivers/net/ethernet/8390/ax88796.c
@@ -910,7 +910,8 @@ static int ax_probe(struct platform_device *pdev)
iounmap(ax->map2);

exit_mem2:
- release_mem_region(mem2->start, mem2_size);
+ if (mem2)
+ release_mem_region(mem2->start, mem2_size);

exit_mem1:
iounmap(ei_local->mem);
--
2.8.1
\
 
 \ /
  Last update: 2016-07-31 11:01    [W:0.086 / U:0.876 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site