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Commit 88cb773c authored by Philippe De Muyter's avatar Philippe De Muyter Committed by Geert Uytterhoeven
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m68k: Allow ioremapping top of memory 



The test in __ioremap to reject memory ranges crossing the 0 boundary
rejects also memory ranges ending at the end of the memory.  Fix that.

Signed-off-by: default avatarPhilippe De Muyter <phdm@macqel.be>
Signed-off-by: default avatarGeert Uytterhoeven <geert@linux-m68k.org>
parent 14545264

arch/m68k/mm/kmap.c

+1 −1
Original line number Diff line number Diff line
@@ -116,7 +116,7 @@ void __iomem *__ioremap(unsigned long physaddr, unsigned long size, int cachefla 
	/*

	 * Don't allow mappings that wrap..

	 */

	if (!size || size > physaddr + size)

	if (!size || physaddr > (unsigned long)(-size))

		return NULL;



#ifdef CONFIG_AMIGA