[PATCH 2/7] staging: xgifb: fix some memory leaks

From: Aaro Koskinen
Date: Thu Feb 17 2011 - 16:29:31 EST


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

Signed-off-by: Aaro Koskinen <aaro.koskinen@xxxxxx>
---
drivers/staging/xgifb/XGI_main_26.c | 9 ++-------
1 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/xgifb/XGI_main_26.c b/drivers/staging/xgifb/XGI_main_26.c
index c245de4..2328926 100644
--- 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;
}
--
1.5.6.5

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