diff options
| author | David Woodhouse <David.Woodhouse@intel.com> | 2012-10-09 15:03:21 +0100 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2012-10-09 15:04:25 +0100 |
| commit | ffe315012510165ce82e4dd4767f0a5dba9edbf7 (patch) | |
| tree | f601cd980af9d0ced5ca9aedecef4fa0d2ca0e15 /arch/alpha/include/asm/uaccess.h | |
| parent | e2d3a35ee427aaba99b6c68a56609ce276c51270 (diff) | |
| parent | 4a8e43feeac7996b8de2d5b2823e316917493df4 (diff) | |
Merge tag 'disintegrate-mtd-20121009' of git://git.infradead.org/users/dhowells/linux-headers
UAPI Disintegration 2012-10-09
Conflicts:
MAINTAINERS
arch/arm/configs/bcmring_defconfig
arch/arm/mach-imx/clk-imx51-imx53.c
drivers/mtd/nand/Kconfig
drivers/mtd/nand/bcm_umi_nand.c
drivers/mtd/nand/nand_bcm_umi.h
drivers/mtd/nand/orion_nand.c
Diffstat (limited to 'arch/alpha/include/asm/uaccess.h')
| -rw-r--r-- | arch/alpha/include/asm/uaccess.h | 34 |
1 files changed, 5 insertions, 29 deletions
diff --git a/arch/alpha/include/asm/uaccess.h b/arch/alpha/include/asm/uaccess.h index b49ec2f8d6e3..766fdfde2b7a 100644 --- a/arch/alpha/include/asm/uaccess.h +++ b/arch/alpha/include/asm/uaccess.h @@ -433,36 +433,12 @@ clear_user(void __user *to, long len) #undef __module_address #undef __module_call -/* Returns: -EFAULT if exception before terminator, N if the entire - buffer filled, else strlen. */ +#define user_addr_max() \ + (segment_eq(get_fs(), USER_DS) ? TASK_SIZE : ~0UL) -extern long __strncpy_from_user(char *__to, const char __user *__from, long __to_len); - -extern inline long -strncpy_from_user(char *to, const char __user *from, long n) -{ - long ret = -EFAULT; - if (__access_ok((unsigned long)from, 0, get_fs())) - ret = __strncpy_from_user(to, from, n); - return ret; -} - -/* Returns: 0 if bad, string length+1 (memory size) of string if ok */ -extern long __strlen_user(const char __user *); - -extern inline long strlen_user(const char __user *str) -{ - return access_ok(VERIFY_READ,str,0) ? __strlen_user(str) : 0; -} - -/* Returns: 0 if exception before NUL or reaching the supplied limit (N), - * a value greater than N if the limit would be exceeded, else strlen. */ -extern long __strnlen_user(const char __user *, long); - -extern inline long strnlen_user(const char __user *str, long n) -{ - return access_ok(VERIFY_READ,str,0) ? __strnlen_user(str, n) : 0; -} +extern long strncpy_from_user(char *dest, const char __user *src, long count); +extern __must_check long strlen_user(const char __user *str); +extern __must_check long strnlen_user(const char __user *str, long n); /* * About the exception table: |