get_unmapped_area already cover the offset_in_page() check and returned
with error ptr. So replace offset_in_page() with IS_ERR_VALUE().
Signed-off-by: Gaowei Pu <pugaowei@xxxxxxxxx>
---
mm/mmap.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/mm/mmap.c b/mm/mmap.c
index 7e8c3e8ae75f..66cd88b2abb7 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1430,7 +1430,7 @@ unsigned long do_mmap(struct file *file, unsigned long addr,
* that it represents a valid section of the address space.
*/
addr = get_unmapped_area(file, addr, len, pgoff, flags);
- if (offset_in_page(addr))
+ if (IS_ERR_VALUE(addr))
return addr;
if (flags & MAP_FIXED_NOREPLACE) {
@@ -2997,7 +2997,7 @@ static int do_brk_flags(unsigned long addr, unsigned long len, unsigned long fla
flags |= VM_DATA_DEFAULT_FLAGS | VM_ACCOUNT | mm->def_flags;
error = get_unmapped_area(NULL, addr, len, 0, MAP_FIXED);
- if (offset_in_page(error))
+ if (IS_ERR_VALUE(error))
return error;
error = mlock_future_check(mm, mm->def_flags, len);
--
2.22.0
