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V4L/DVB (13018): kzalloc failure ignored in au8522_probe()

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Prevent NULL dereference if kzalloc() fails.

Cc: Devin Heitmueller <dheitmueller@linuxtv.org>
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Roel Kluin 2009-09-18 21:03:34 -03:00 committed by Mauro Carvalho Chehab
parent d8370f7eff
commit 40d2951758
1 changed files with 5 additions and 0 deletions
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5
drivers/media/dvb/frontends/au8522_decoder.c
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@ -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;