diff options
| author |   Christophe Leroy <christophe.leroy@csgroup.eu> | 2021-03-10 17:46:40 +0000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2021-04-03 21:21:26 +1100 |
| commit | 8cdf748d557f15ae6f9e0d4108cc3ea6e1ee4419 (patch) | |
| tree | 4ea84c2e7ad6b43e9804b471f128ac3568d59d39 /arch/powerpc/include/asm/uaccess.h | |
| parent | powerpc/mm: Revert "powerpc/mm: Remove DEBUG_VM_PGTABLE support on powerpc" (diff) | |
| download | linux-dev-8cdf748d557f15ae6f9e0d4108cc3ea6e1ee4419.tar.xz linux-dev-8cdf748d557f15ae6f9e0d4108cc3ea6e1ee4419.zip | |
powerpc/uaccess: Remove __get_user_allowed() and unsafe_op_wrap()
Those two macros have only one user which is unsafe_get_user().
Put everything in one place and remove them.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/439179c5e54c18f2cb8bdf1eea13ea0ef6b98375.1615398265.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/include/asm/uaccess.h')
| -rw-r--r-- | arch/powerpc/include/asm/uaccess.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h index c3d3d178fa0e..57d7b1bfb7a2 100644 --- a/arch/powerpc/include/asm/uaccess.h +++ b/arch/powerpc/include/asm/uaccess.h @@ -53,9 +53,6 @@ static inline bool __access_ok(unsigned long addr, unsigned long size) #define __put_user(x, ptr) \ __put_user_nocheck((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr))) -#define __get_user_allowed(x, ptr) \ - __get_user_nocheck((x), (ptr), sizeof(*(ptr)), false) - #define __get_user_inatomic(x, ptr) \ __get_user_nosleep((x), (ptr), sizeof(*(ptr))) #define __put_user_inatomic(x, ptr) \ @@ -481,8 +478,11 @@ user_write_access_begin(const void __user *ptr, size_t len) #define user_write_access_begin user_write_access_begin #define user_write_access_end prevent_current_write_to_user -#define unsafe_op_wrap(op, err) do { if (unlikely(op)) goto err; } while (0) -#define unsafe_get_user(x, p, e) unsafe_op_wrap(__get_user_allowed(x, p), e) +#define unsafe_get_user(x, p, e) do { \ + if (unlikely(__get_user_nocheck((x), (p), sizeof(*(p)), false)))\ + goto e; \ +} while (0) + #define unsafe_put_user(x, p, e) \ __unsafe_put_user_goto((__typeof__(*(p)))(x), (p), sizeof(*(p)), e) |