binfmt_flat: remove flat_set_persistent

This helper is a no-op on all architectures, remove it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Vladimir Murzin <vladimir.murzin@arm.com>
Reviewed-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Greg Ungerer <gerg@linux-m68k.org>

arch/arm/include/asm/flat.h

@@ -31,6 +31,5 @@ static inline int flat_put_addr_at_rp(u32 __user *rp, u32 addr, u32 rel)
 }
 
 #define	flat_get_relocate_addr(rel)		(rel)
-#define	flat_set_persistent(relval, p)		0
 
 #endif /* __ARM_FLAT_H__ */

arch/c6x/include/asm/flat.h

@@ -18,6 +18,5 @@ static inline int flat_put_addr_at_rp(u32 __user *rp, u32 addr, u32 rel)
 	return 0;
 }
 #define flat_get_relocate_addr(rel)			(rel)
-#define flat_set_persistent(relval, p)			0
 
 #endif /* __ASM_C6X_FLAT_H */

arch/h8300/include/asm/flat.h

@@ -10,7 +10,6 @@
 
 #define	flat_argvp_envp_on_stack()		1
 #define	flat_old_ram_flag(flags)		1
-#define	flat_set_persistent(relval, p)		0
 
 /*
  * on the H8 a couple of the relocations have an instruction in the

arch/m68k/include/asm/flat.h

@@ -30,11 +30,6 @@ static inline int flat_put_addr_at_rp(u32 __user *rp, u32 addr, u32 rel)
 }
 #define	flat_get_relocate_addr(rel)		(rel)
 
-static inline int flat_set_persistent(u32 relval, u32 *persistent)
-{
-	return 0;
-}
-
 #define FLAT_PLAT_INIT(regs) \
 	do { \
 		if (current->mm) \

arch/microblaze/include/asm/flat.h

@@ -15,7 +15,6 @@
 
 #define	flat_argvp_envp_on_stack()	0
 #define	flat_old_ram_flag(flags)	(flags)
-#define	flat_set_persistent(relval, p)		0
 
 /*
  * Microblaze works a little differently from other arches, because

arch/sh/include/asm/flat.h

@@ -25,7 +25,6 @@ static inline int flat_put_addr_at_rp(u32 __user *rp, u32 addr, u32 rel)
 	return 0;
 }
 #define	flat_get_relocate_addr(rel)		(rel)
-#define	flat_set_persistent(relval, p)		({ (void)p; 0; })
 
 #define FLAT_PLAT_INIT(_r) \
   do { _r->regs[0]=0; _r->regs[1]=0; _r->regs[2]=0; _r->regs[3]=0; \

arch/xtensa/include/asm/flat.h

@@ -18,6 +18,5 @@ static inline int flat_put_addr_at_rp(u32 __user *rp, u32 addr, u32 rel)
 	return 0;
 }
 #define flat_get_relocate_addr(rel)			(rel)
-#define flat_set_persistent(relval, p)			0
 
 #endif /* __ASM_XTENSA_FLAT_H */

fs/binfmt_flat.c

@@ -787,8 +787,6 @@ static int load_flat_file(struct linux_binprm *bprm,
 			if (get_user(relval, reloc + i))
 				return -EFAULT;
 			relval = ntohl(relval);
-			if (flat_set_persistent(relval, &persistent))
-				continue;
 			addr = flat_get_relocate_addr(relval);
 			rp = (u32 __user *)calc_reloc(addr, libinfo, id, 1);
 			if (rp == (u32 __user *)RELOC_FAILED) {