ALSA: synth: emux: soundfont.c: Cleaning up memory leak

There is a risk for memory leak in when something unexpected happens
and the function returns.

This was largely found by using a static code analysis program called cppcheck.

[fixed a typo of kfree() by tiwai]

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/synth/emux/soundfont.c b/sound/synth/emux/soundfont.c
index 1137b85..78683b2 100644 (file)
--- a/sound/synth/emux/soundfont.c
+++ b/sound/synth/emux/soundfont.c
@@ -1021,6 +1021,7 @@ load_guspatch(struct snd_sf_list *sflist, const char __user *data,
                         data, count);
                if (rc < 0) {
                        sf_sample_delete(sflist, sf, smp);
+                       kfree(zone);
                        return rc;
                }
                /* memory offset is updated after */