Commit d8b8c0a6 authored by Amol Lad's avatar Amol Lad Committed by Linus Torvalds
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[PATCH] ioremap balanced with iounmap for drivers/video/cirrusfb

ioremap must be balanced by an iounmap and failing to do so can result in a
memory leak.

Signed-off-by: default avatarAmol Lad <>
Cc: "Antonino A. Daplas" <>
Signed-off-by: default avatarAndrew Morton <>
Signed-off-by: default avatarLinus Torvalds <>
parent d02abed8
......@@ -2442,7 +2442,10 @@ static int cirrusfb_pci_register (struct pci_dev *pdev,
printk ("Cirrus Logic chipset on PCI bus\n");
pci_set_drvdata(pdev, info);
return cirrusfb_register(cinfo);
ret = cirrusfb_register(cinfo);
if (ret)
return ret;
if (release_io_ports)
......@@ -2574,7 +2577,15 @@ static int cirrusfb_zorro_register(struct zorro_dev *z,
printk (KERN_INFO "Cirrus Logic chipset on Zorro bus\n");
zorro_set_drvdata(z, info);
return cirrusfb_register(cinfo);
ret = cirrusfb_register(cinfo);
if (ret) {
if (btype == BT_PICASSO4) {
iounmap(cinfo->regbase - 0x600000);
} else if (board_addr > 0x01000000)
return ret;
/* Parental advisory: explicit hack */
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