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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-06 22:51:27 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-06 22:51:27 +0100 |
| commit | dd273a8071124c2235c45d2ca756acc90ca31ed3 (patch) | |
| tree | 805bb65c17779ce1f16245b56d5e9ccbd7309f27 /arch/arm/mm | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sag... (diff) | |
| parent | ARM: 8544/1: set_memory_xx fixes (diff) | |
| download | linux-dd273a8071124c2235c45d2ca756acc90ca31ed3.tar.xz linux-dd273a8071124c2235c45d2ca756acc90ca31ed3.zip | |
Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Pull ARM fixes from Russell King:
"Just two ARM fixes this time: one to fix the hyp-stub for older ARM
CPUs, and another to fix the set_memory_xx() permission functions to
deal with zero sizes correctly"
* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
ARM: 8544/1: set_memory_xx fixes
ARM: 8534/1: virt: fix hyp-stub build for pre-ARMv7 CPUs
Diffstat (limited to 'arch/arm/mm')
| -rw-r--r-- | arch/arm/mm/pageattr.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/mm/pageattr.c b/arch/arm/mm/pageattr.c index cf30daff8932..d19b1ad29b07 100644 --- a/arch/arm/mm/pageattr.c +++ b/arch/arm/mm/pageattr.c @@ -49,6 +49,9 @@ static int change_memory_common(unsigned long addr, int numpages, WARN_ON_ONCE(1); } + if (!numpages) + return 0; + if (start < MODULES_VADDR || start >= MODULES_END) return -EINVAL; |