i2400m_fw_check() can free i2400m->fw_hdrs if krealloc() fails causing a double 
free
Add a check so we don't free the memory a second time.

coverity CID: 13455

Signed-off-by: Darren Jenkins <[email protected]>
---
 drivers/net/wimax/i2400m/fw.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/net/wimax/i2400m/fw.c b/drivers/net/wimax/i2400m/fw.c
index 25c24f0..a97c413 100644
--- a/drivers/net/wimax/i2400m/fw.c
+++ b/drivers/net/wimax/i2400m/fw.c
@@ -1490,7 +1490,8 @@ int i2400m_fw_bootstrap(struct i2400m *i2400m, const 
struct firmware *fw,
        if (ret < 0)
                dev_err(dev, "%s: cannot use: %d, skipping\n",
                        i2400m->fw_name, ret);
-       kfree(i2400m->fw_hdrs);
+       if (ret != -ENOMEM)
+               kfree(i2400m->fw_hdrs);
        i2400m->fw_hdrs = NULL;
        d_fnend(5, dev, "(i2400m %p) = %d\n", i2400m, ret);
        return ret;
-- 
1.6.3.3



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