Messages in this thread Patch in this message | | | Date | Thu, 14 Mar 2019 23:42:08 +0300 | From | Alexey Dobriyan <> | Subject | [PATCH 1/2] elf: simpler check for -EEXIST |
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PTR_ERR((void *)map_addr) == -EEXIST
is a very complicated way of doing the obvious.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> ---
fs/binfmt_elf.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
--- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -375,8 +375,7 @@ static unsigned long elf_map(struct file *filep, unsigned long addr, } else map_addr = vm_mmap(filep, addr, size, prot, type, off); - if ((type & MAP_FIXED_NOREPLACE) && - PTR_ERR((void *)map_addr) == -EEXIST) + if ((type & MAP_FIXED_NOREPLACE) && map_addr == -EEXIST) pr_info("%d (%s): Uhuuh, elf segment at %px requested but the memory is mapped already\n", task_pid_nr(current), current->comm, (void *)addr);
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