[PATCH] staging: brcm80211: Fix memory leak after kmalloc failure

[Stefan Weil]

This error was spotted by cppcheck:

drivers/staging/brcm80211/phy/wlc_phy_lcn.c:4053: error: Memory leak: ptr

Cc: Brett Rudley <brudley@xxxxxxxxxxxx>
Cc: Henry Ptasinski <henryp@xxxxxxxxxxxx>
Cc: linux-wireless@xxxxxxxxxxxxxxx
Cc: devel@xxxxxxxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Stefan Weil <weil@xxxxxxxxxxxxxxx>
---
 drivers/staging/brcm80211/phy/wlc_phy_lcn.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/staging/brcm80211/phy/wlc_phy_lcn.c b/drivers/staging/brcm80211/phy/wlc_phy_lcn.c
index 3ac2b49..9e2cb60 100644
--- a/drivers/staging/brcm80211/phy/wlc_phy_lcn.c
+++ b/drivers/staging/brcm80211/phy/wlc_phy_lcn.c
@@ -4050,6 +4050,7 @@ wlc_lcnphy_a1(phy_info_t *pi, int cal_type, int num_levels, int step_size_lg2)
 
 	phy_c32 = kmalloc(sizeof(u16) * 20, GFP_ATOMIC);
 	if (NULL == phy_c32) {
+		kfree(ptr);
 		return;
 	}
 	phy_c26 = read_phy_reg(pi, 0x6da);
-- 
1.7.2.3

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