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cpufreq: cpufreq-cpu0: use the exact frequency for clk_set_rate()
[firefly-linux-kernel-4.4.55.git]
/
mm
/
mmap.c
diff --git
a/mm/mmap.c
b/mm/mmap.c
index 1ae21d645c681f517abfe0feef252d5205a8acd1..f681e1842fadc1ccd8d7188a7ca1688c73548111 100644
(file)
--- a/
mm/mmap.c
+++ b/
mm/mmap.c
@@
-1367,9
+1367,13
@@
SYSCALL_DEFINE6(mmap_pgoff, unsigned long, addr, unsigned long, len,
len = ALIGN(len, huge_page_size(hstate_file(file)));
} else if (flags & MAP_HUGETLB) {
struct user_struct *user = NULL;
len = ALIGN(len, huge_page_size(hstate_file(file)));
} else if (flags & MAP_HUGETLB) {
struct user_struct *user = NULL;
+ struct hstate *hs = hstate_sizelog((flags >> MAP_HUGE_SHIFT) &
+ SHM_HUGE_MASK);
- len = ALIGN(len, huge_page_size(hstate_sizelog(
- (flags >> MAP_HUGE_SHIFT) & MAP_HUGE_MASK)));
+ if (!hs)
+ return -EINVAL;
+
+ len = ALIGN(len, huge_page_size(hs));
/*
* VM_NORESERVE is used because the reservations will be
* taken when vm_ops->mmap() is called
/*
* VM_NORESERVE is used because the reservations will be
* taken when vm_ops->mmap() is called