Commit 1dec7858 authored by Vineet Gupta's avatar Vineet Gupta

ARC: fix build warning in elf.h

The cast valid since TASK_SIZE * 2 will never actually cause overflow.

|   CC      fs/binfmt_elf.o
| In file included from ../include/linux/elf.h:4:0,
|                  from ../include/linux/module.h:15,
|                  from ../fs/binfmt_elf.c:12:
| ../fs/binfmt_elf.c: In function load_elf_binar:
| ../arch/arc/include/asm/elf.h:57:29: warning: integer overflow in expression [-Woverflow]
|  #define ELF_ET_DYN_BASE  (2 * TASK_SIZE / 3)
|                              ^
| ../fs/binfmt_elf.c:921:16: note: in expansion of macro ELF_ET_DYN_BASE
|     load_bias = ELF_ET_DYN_BASE - vaddr;
Signed-off-by: default avatarVineet Gupta <vgupta@synopsys.com>
parent 3da43104
...@@ -54,7 +54,7 @@ extern int elf_check_arch(const struct elf32_hdr *); ...@@ -54,7 +54,7 @@ extern int elf_check_arch(const struct elf32_hdr *);
* the loader. We need to make sure that it is out of the way of the program * the loader. We need to make sure that it is out of the way of the program
* that it will "exec", and that there is sufficient room for the brk. * that it will "exec", and that there is sufficient room for the brk.
*/ */
#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3) #define ELF_ET_DYN_BASE (2UL * TASK_SIZE / 3)
/* /*
* When the program starts, a1 contains a pointer to a function to be * When the program starts, a1 contains a pointer to a function to be
......
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