diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-27 16:22:47 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-27 16:22:47 -0800 |
| commit | 847f9c606cad121cebf984639e3eeee1c4db82f8 (patch) | |
| tree | ecd7aaef6cdfaf908d4d37db2e8f1951b490543a /arch/m68k/mm/kmap.c | |
| parent | 7981164791d18d5ed1dcdfa9598949ed158a5333 (diff) | |
| parent | 00ebfe58b002f0ff387f60c7cd23bc2b274fce1a (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: (24 commits)
m68k: Define sigcontext ABI of ColdFire
m68knommu: NPTL support for uClinux
m68k: Add NPTL support
m68k: Eliminate unused variable in page_to_phys()
m68k: Switch to generic siginfo layout
macfb: fix 24-bit visual and stuff
macfb: cleanup
fbdev: add some missing mac modes
mac68k: start CUDA early
valkyriefb: various fixes
fbdev: mac_var_to_mode() fix
mac68k: move macsonic and macmace platform devices
mac68k: move mac_esp platform device
mac68k: replace mac68k SCC code with platform device
pmac-zilog: add platform driver
pmac-zilog: cleanup
mac68k: rework SWIM platform device
mac68k: cleanup
ataflop: Killl warning about unused variable flags
m68k: Use DIV_ROUND_CLOSEST
...
Diffstat (limited to 'arch/m68k/mm/kmap.c')
| -rw-r--r-- | arch/m68k/mm/kmap.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/m68k/mm/kmap.c b/arch/m68k/mm/kmap.c index df620ac2a29..69345849454 100644 --- a/arch/m68k/mm/kmap.c +++ b/arch/m68k/mm/kmap.c @@ -99,8 +99,7 @@ static inline void free_io_area(void *addr) #endif /* - * Map some physical address range into the kernel address space. The - * code is copied and adapted from map_chunk(). + * Map some physical address range into the kernel address space. */ /* Rewritten by Andreas Schwab to remove all races. */ @@ -116,7 +115,7 @@ 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 |