[PATCH 02/17] binfmt_flat: remove flat_set_persistent

From: Christoph Hellwig
Date: Thu Jun 13 2019 - 12:44:17 EST


This helper is a no-op on all architectures, remove it.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Tested-by: Vladimir Murzin <vladimir.murzin@xxxxxxx>
Reviewed-by: Vladimir Murzin <vladimir.murzin@xxxxxxx>
---
arch/arm/include/asm/flat.h | 1 -
arch/c6x/include/asm/flat.h | 1 -
arch/h8300/include/asm/flat.h | 1 -
arch/m68k/include/asm/flat.h | 5 -----
arch/microblaze/include/asm/flat.h | 1 -
arch/sh/include/asm/flat.h | 1 -
arch/xtensa/include/asm/flat.h | 1 -
fs/binfmt_flat.c | 2 --
8 files changed, 13 deletions(-)

diff --git a/arch/arm/include/asm/flat.h b/arch/arm/include/asm/flat.h
index 10cce9ecf151..576241d74704 100644
--- a/arch/arm/include/asm/flat.h
+++ b/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__ */
diff --git a/arch/c6x/include/asm/flat.h b/arch/c6x/include/asm/flat.h
index ecc6aea6606c..ac87368efad1 100644
--- a/arch/c6x/include/asm/flat.h
+++ b/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 */
diff --git a/arch/h8300/include/asm/flat.h b/arch/h8300/include/asm/flat.h
index dcc7775115dd..7ef7eefded3d 100644
--- a/arch/h8300/include/asm/flat.h
+++ b/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
diff --git a/arch/m68k/include/asm/flat.h b/arch/m68k/include/asm/flat.h
index a631caf5e18f..955617bb937b 100644
--- a/arch/m68k/include/asm/flat.h
+++ b/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) \
diff --git a/arch/microblaze/include/asm/flat.h b/arch/microblaze/include/asm/flat.h
index 34be5ed011be..846084fa7f04 100644
--- a/arch/microblaze/include/asm/flat.h
+++ b/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
diff --git a/arch/sh/include/asm/flat.h b/arch/sh/include/asm/flat.h
index 8f2929b32f2e..6f3b18679a98 100644
--- a/arch/sh/include/asm/flat.h
+++ b/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; \
diff --git a/arch/xtensa/include/asm/flat.h b/arch/xtensa/include/asm/flat.h
index 6ee5a35eb0ec..b1bc0d9a8d4e 100644
--- a/arch/xtensa/include/asm/flat.h
+++ b/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 */
diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c
index afddea583999..a4c0b245ab1f 100644
--- a/fs/binfmt_flat.c
+++ b/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) {
--
2.20.1