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authorNavid Emamdoost <navid.emamdoost@gmail.com>2019-10-25 23:53:30 -0500
committerDavid S. Miller <davem@davemloft.net>2019-10-29 16:20:25 -0700
commit6f3ef5c25cc762687a7341c18cbea5af54461407 (patch)
treef2e91bbce5a3819a21f94101c4039ae6968c28e5
parent63a41746827cb16dc6ad0d4d761ab4e7dda7a0c3 (diff)
downloadlinux-6f3ef5c25cc762687a7341c18cbea5af54461407.tar.gz
wimax: i2400: Fix memory leak in i2400m_op_rfkill_sw_toggle
In the implementation of i2400m_op_rfkill_sw_toggle() the allocated
buffer for cmd should be released before returning. The
documentation for i2400m_msg_to_dev() says when it returns the buffer
can be reused. Meaning cmd should be released in either case. Move
kfree(cmd) before return to be reached by all execution paths.

Fixes: 2507e6ab7a9a ("wimax: i2400: fix memory leak")
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/wimax/i2400m/op-rfkill.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wimax/i2400m/op-rfkill.c b/drivers/net/wimax/i2400m/op-rfkill.c
index 8efb493ceec2..5c79f052cad2 100644
--- a/drivers/net/wimax/i2400m/op-rfkill.c
+++ b/drivers/net/wimax/i2400m/op-rfkill.c
@@ -127,12 +127,12 @@ int i2400m_op_rfkill_sw_toggle(struct wimax_dev *wimax_dev,
 			"%d\n", result);
 	result = 0;
 error_cmd:
-	kfree(cmd);
 	kfree_skb(ack_skb);
 error_msg_to_dev:
 error_alloc:
 	d_fnend(4, dev, "(wimax_dev %p state %d) = %d\n",
 		wimax_dev, state, result);
+	kfree(cmd);
 	return result;
 }