* [PATCH] V4L/DVB (11380): kzalloc failure ignored in au8522_probe()
@ 2009-09-18 23:11 Roel Kluin
0 siblings, 0 replies; only message in thread
From: Roel Kluin @ 2009-09-18 23:11 UTC (permalink / raw)
To: Mauro Carvalho Chehab, linux-media, Andrew Morton
Prevent NULL dereference if kzalloc() fails.
Signed-off-by: Roel Kluin <roel.kluin@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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