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author | Christoph Hellwig <hch@lst.de> | 2021-09-16 09:04:02 +0200 |
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committer | Geert Uytterhoeven <geert@linux-m68k.org> | 2021-09-24 13:35:06 +0200 |
commit | 25d2cae4a5578695f667e868ada38b0b73eb1080 (patch) | |
tree | ef3e103dae48b5c2ff7a047670123ce2ccca3ee0 /arch/m68k/include | |
parent | c4f607c3124e4d2f33604f933b29496ce4111753 (diff) | |
download | linux-25d2cae4a5578695f667e868ada38b0b73eb1080.tar.gz linux-25d2cae4a5578695f667e868ada38b0b73eb1080.tar.bz2 linux-25d2cae4a5578695f667e868ada38b0b73eb1080.zip |
m68k: Use BUILD_BUG for passing invalid sizes to get_user/put_user
Simplify the handling a bit by using the common helper instead of
referencing undefined symbols.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Michael Schmitz <schmitzmic@gmail.com>
Tested-by: Michael Schmitz <schmitzmic@gmail.com>
Link: https://lore.kernel.org/r/20210916070405.52750-4-hch@lst.de
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Diffstat (limited to 'arch/m68k/include')
-rw-r--r-- | arch/m68k/include/asm/uaccess.h | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/arch/m68k/include/asm/uaccess.h b/arch/m68k/include/asm/uaccess.h index 610bfe8d64d5..01334a9658c4 100644 --- a/arch/m68k/include/asm/uaccess.h +++ b/arch/m68k/include/asm/uaccess.h @@ -39,9 +39,6 @@ static inline int access_ok(const void __user *addr, #define MOVES "move" #endif -extern int __put_user_bad(void); -extern int __get_user_bad(void); - #define __put_user_asm(res, x, ptr, bwl, reg, err) \ asm volatile ("\n" \ "1: "MOVES"."#bwl" %2,%1\n" \ @@ -105,8 +102,7 @@ asm volatile ("\n" \ break; \ } \ default: \ - __pu_err = __put_user_bad(); \ - break; \ + BUILD_BUG(); \ } \ __pu_err; \ }) @@ -179,8 +175,7 @@ asm volatile ("\n" \ break; \ } \ default: \ - __gu_err = __get_user_bad(); \ - break; \ + BUILD_BUG(); \ } \ __gu_err; \ }) |