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authorFabio Estevam <fabio.estevam@freescale.com>2010-12-13 10:47:05 -0200
committerSascha Hauer <s.hauer@pengutronix.de>2010-12-14 09:55:53 +0100
commit28a4f908acb342350b9ecbfcdf0a999cb83e05aa (patch)
treece0bea69a22fe4731a094a443d6ea2660a27c82b /arch/arm/mach-mx5/board-mx51_babbage.c
parentbb477de2efc560e55c4a830329273661f3664bc8 (diff)
ARM: mx5: check for error in ioremap
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mx5/board-mx51_babbage.c')
-rw-r--r--arch/arm/mach-mx5/board-mx51_babbage.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c
index a896f84895a..368a315e9ac 100644
--- a/arch/arm/mach-mx5/board-mx51_babbage.c
+++ b/arch/arm/mach-mx5/board-mx51_babbage.c
@@ -262,6 +262,8 @@ static int initialize_otg_port(struct platform_device *pdev)
void __iomem *usbother_base;
usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
+ if (!usb_base)
+ return -ENOMEM;
usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET;
/* Set the PHY clock to 19.2MHz */
@@ -280,6 +282,8 @@ static int initialize_usbh1_port(struct platform_device *pdev)
void __iomem *usbother_base;
usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
+ if (!usb_base)
+ return -ENOMEM;
usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET;
/* The clock for the USBH1 ULPI port will come externally from the PHY. */