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author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-06 13:51:27 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-06 13:51:27 -0800 |
commit | dd273a8071124c2235c45d2ca756acc90ca31ed3 (patch) | |
tree | 805bb65c17779ce1f16245b56d5e9ccbd7309f27 /arch/arm/mm | |
parent | 21b27a74ec0f4e52e001912c89570a49494705a2 (diff) | |
parent | f474c8c857d996f34c39f66bbed23faaa739fad6 (diff) | |
download | op-kernel-dev-dd273a8071124c2235c45d2ca756acc90ca31ed3.zip op-kernel-dev-dd273a8071124c2235c45d2ca756acc90ca31ed3.tar.gz |
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 cf30daf..d19b1ad 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; |