[ALSA] Memory leak in sound/pcmcia/pdaudiocf/pdaudiocf.c

if one of the first three CS_CHECKS fails, we goto cs_failed:
In this case parse we donr kfree() parse. Since the the last three
CS_CHECKS might also fail, i moved the kfree() below all the CS_CHECKs
and added one in the error path. This fixes coverity bug id #1099

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

diff --git a/sound/pcmcia/pdaudiocf/pdaudiocf.c b/sound/pcmcia/pdaudiocf/pdaudiocf.c
index adfdce7499d1c40418e05b025de9bf4f6ef32b93..1c09e5f49da8b3e1accf94cccfe8ae08259fc30f 100644 (file)
--- a/sound/pcmcia/pdaudiocf/pdaudiocf.c
+++ b/sound/pcmcia/pdaudiocf/pdaudiocf.c
@@ -241,12 +241,13 @@ static int pdacf_config(struct pcmcia_device *link)
        CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, parse));
        link->conf.ConfigBase = parse->config.base;
        link->conf.ConfigIndex = 0x5;
-       kfree(parse);
 
        CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io));
        CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
        CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
 
+       kfree(parse);
+
        if (snd_pdacf_assign_resources(pdacf, link->io.BasePort1, link->irq.AssignedIRQ) < 0)
                goto failed;
 
@@ -254,6 +255,7 @@ static int pdacf_config(struct pcmcia_device *link)
        return 0;
 
 cs_failed:
+       kfree(parse);
        cs_error(link, last_fn, last_ret);
 failed:
        pcmcia_disable_device(link);