| Message ID | 1312201870-12921-1-git-send-email-jamie@jamieiles.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/arch/arm/mach-davinci/io.c b/arch/arm/mach-davinci/io.c index 8ea60a8..4eb169b 100644 --- a/arch/arm/mach-davinci/io.c +++ b/arch/arm/mach-davinci/io.c @@ -25,6 +25,9 @@ void __iomem *davinci_ioremap(unsigned long p, size_t size, unsigned int type) int desc_num = davinci_soc_info.io_desc_num; int i; + if (!size) + return NULL; + for (i = 0; i < desc_num; i++, desc++) { unsigned long iophys = __pfn_to_phys(desc->pfn); unsigned long iosize = desc->length;
Without __arch_ioremap(), __get_vm_area_node() with a zero size will return a NULL pointer. Make the arch specific ioremap() do the same thing. Cc: Sekhar Nori <nsekhar@ti.com> (supporter:TI DAVINCI MACHIN...) Cc: Kevin Hilman <khilman@ti.com> (supporter:TI DAVINCI MACHIN...) Signed-off-by: Jamie Iles <jamie@jamieiles.com> --- arch/arm/mach-davinci/io.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)