[PATCH] V4L/DVB (11380): kzalloc failure ignored in au8522_probe()

[Roel Kluin]

Prevent NULL dereference if kzalloc() fails.

Signed-off-by: Roel Kluin <roel.kl...@gmail.com>
---
Found with sed: http://kernelnewbies.org/roelkluin

Build tested.

diff --git a/drivers/media/dvb/frontends/au8522_decoder.c 
b/drivers/media/dvb/frontends/au8522_decoder.c
index 9e9a755..74981ee 100644
--- a/drivers/media/dvb/frontends/au8522_decoder.c
+++ b/drivers/media/dvb/frontends/au8522_decoder.c
@@ -792,6 +792,11 @@ static int au8522_probe(struct i2c_client *client,
        }
 
        demod_config = kzalloc(sizeof(struct au8522_config), GFP_KERNEL);
+       if (demod_config == NULL) {
+               if (instance == 1)
+                       kfree(state);
+               return -ENOMEM;
+       }
        demod_config->demod_address = 0x8e >> 1;
 
        state->config = demod_config;
--
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