V4L/DVB: V4L: vpfe_capture - free ccdc_lock when memory allocation fails
This patch fixes a bug in vpfe_probe() that doesn't call mutex_unlock() if memory
allocation for ccdc_cfg fails. See also the smatch warning report from Dan
Carpenter that shows this as an issue.
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/davinci/vpfe_capture.c b/drivers/media/video/davinci/vpfe_capture.c
index 7cf042f..5512864 100644
--- a/drivers/media/video/davinci/vpfe_capture.c
+++ b/drivers/media/video/davinci/vpfe_capture.c
@@ -1830,7 +1830,7 @@
if (NULL == ccdc_cfg) {
v4l2_err(pdev->dev.driver,
"Memory allocation failed for ccdc_cfg\n");
- goto probe_free_dev_mem;
+ goto probe_free_lock;
}
strncpy(ccdc_cfg->name, vpfe_cfg->ccdc, 32);
@@ -1982,8 +1982,9 @@
probe_out_release_irq:
free_irq(vpfe_dev->ccdc_irq0, vpfe_dev);
probe_free_ccdc_cfg_mem:
- mutex_unlock(&ccdc_lock);
kfree(ccdc_cfg);
+probe_free_lock:
+ mutex_unlock(&ccdc_lock);
probe_free_dev_mem:
kfree(vpfe_dev);
return ret;