staging: xgifb: fix some memory leaks

Some xgifb_probe() error paths are missing proper vfree()s. Move them
all into a single place.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/xgifb/XGI_main_26.c b/drivers/staging/xgifb/XGI_main_26.c
index c245de4..2328926 100644 (file)
--- a/drivers/staging/xgifb/XGI_main_26.c
+++ b/drivers/staging/xgifb/XGI_main_26.c
@@ -3065,7 +3065,6 @@ static int __devinit xgifb_probe(struct pci_dev *pdev,
 
        XGIhw_ext.pCR = vmalloc(sizeof(struct XGI_DSReg) * CR_BUFFER_SIZE);
        if (XGIhw_ext.pCR == NULL) {
-               vfree(XGIhw_ext.pSR);
                printk(KERN_ERR "XGIfb: Fatal error: Allocating CRReg space failed.\n");
                ret = -ENODEV;
                goto error;
@@ -3105,8 +3104,6 @@ static int __devinit xgifb_probe(struct pci_dev *pdev,
        }
 #endif
        if (XGIfb_get_dram_size()) {
-               vfree(XGIhw_ext.pSR);
-               vfree(XGIhw_ext.pCR);
                printk(KERN_INFO "XGIfb: Fatal error: Unable to determine RAM size.\n");
                ret = -ENODEV;
                goto error;
@@ -3125,8 +3122,6 @@ static int __devinit xgifb_probe(struct pci_dev *pdev,
                printk("unable request memory size %x", xgi_video_info.video_size);
                printk(KERN_ERR "XGIfb: Fatal error: Unable to reserve frame buffer memory\n");
                printk(KERN_ERR "XGIfb: Is there another framebuffer driver active?\n");
-               vfree(XGIhw_ext.pSR);
-               vfree(XGIhw_ext.pCR);
                ret = -ENODEV;
                goto error;
        }
@@ -3134,8 +3129,6 @@ static int __devinit xgifb_probe(struct pci_dev *pdev,
        if (!request_mem_region(xgi_video_info.mmio_base, XGIfb_mmio_size, "XGIfb MMIO")) {
                printk(KERN_ERR "XGIfb: Fatal error: Unable to reserve MMIO region\n");
                release_mem_region(xgi_video_info.video_base, xgi_video_info.video_size);
-               vfree(XGIhw_ext.pSR);
-               vfree(XGIhw_ext.pCR);
                ret = -ENODEV;
                goto error;
        }
@@ -3441,6 +3434,8 @@ static int __devinit xgifb_probe(struct pci_dev *pdev,
        return 0;
 
 error:
+       vfree(XGIhw_ext.pSR);
+       vfree(XGIhw_ext.pCR);
        framebuffer_release(fb_info);
        return ret;
 }