4.19-stable review patch. If anyone has any objections, please let me know.
------------------
From: Olof Johansson olof@lixom.net
commit 21f70d4abf9e17c2e3d7e64b7bfa3424e017f176 upstream.
Sparse highlighted it, and appears to be a pure bug (from vs to).
./arch/riscv/include/asm/uaccess.h:403:35: warning: incorrect type in argument 1 (different address spaces) ./arch/riscv/include/asm/uaccess.h:403:39: warning: incorrect type in argument 2 (different address spaces) ./arch/riscv/include/asm/uaccess.h:409:37: warning: incorrect type in argument 1 (different address spaces) ./arch/riscv/include/asm/uaccess.h:409:41: warning: incorrect type in argument 2 (different address spaces)
Signed-off-by: Olof Johansson olof@lixom.net Cc: stable@vger.kernel.org Signed-off-by: Palmer Dabbelt palmer@sifive.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- arch/riscv/include/asm/uaccess.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/arch/riscv/include/asm/uaccess.h +++ b/arch/riscv/include/asm/uaccess.h @@ -400,13 +400,13 @@ extern unsigned long __must_check __asm_ static inline unsigned long raw_copy_from_user(void *to, const void __user *from, unsigned long n) { - return __asm_copy_to_user(to, from, n); + return __asm_copy_from_user(to, from, n); }
static inline unsigned long raw_copy_to_user(void __user *to, const void *from, unsigned long n) { - return __asm_copy_from_user(to, from, n); + return __asm_copy_to_user(to, from, n); }
extern long strncpy_from_user(char *dest, const char __user *src, long count);