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author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-07-07 07:07:44 +0200 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-07-07 07:07:44 +0200 |
commit | dc502142b65b9e31eb90ab4344b3acadb2698317 (patch) | |
tree | 59be531fcce876dbe0bbc1ddf5a84fc9b3ee8a27 /arch/m32r | |
parent | Merge branch 'work.probe_kernel_read' of git://git.kernel.org/pub/scm/linux/k... (diff) | |
parent | s390 keyboard.c: don't open-code strndup_user() (diff) | |
download | linux-dc502142b65b9e31eb90ab4344b3acadb2698317.tar.xz linux-dc502142b65b9e31eb90ab4344b3acadb2698317.zip |
Merge branch 'uaccess.strlen' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull user access str* updates from Al Viro:
"uaccess str...() dead code removal"
* 'uaccess.strlen' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
s390 keyboard.c: don't open-code strndup_user()
mips: get rid of unused __strnlen_user()
get rid of unused __strncpy_from_user() instances
kill strlen_user()
Diffstat (limited to 'arch/m32r')
-rw-r--r-- | arch/m32r/include/asm/uaccess.h | 18 | ||||
-rw-r--r-- | arch/m32r/kernel/m32r_ksyms.c | 1 | ||||
-rw-r--r-- | arch/m32r/lib/usercopy.c | 8 |
3 files changed, 0 insertions, 27 deletions
diff --git a/arch/m32r/include/asm/uaccess.h b/arch/m32r/include/asm/uaccess.h index 07be349c00ad..496c4716dbc8 100644 --- a/arch/m32r/include/asm/uaccess.h +++ b/arch/m32r/include/asm/uaccess.h @@ -482,8 +482,6 @@ raw_copy_to_user(void __user *to, const void *from, unsigned long n) long __must_check strncpy_from_user(char *dst, const char __user *src, long count); -long __must_check __strncpy_from_user(char *dst, - const char __user *src, long count); /** * __clear_user: - Zero a block of memory in user space, with less checking. @@ -511,22 +509,6 @@ unsigned long __clear_user(void __user *mem, unsigned long len); */ unsigned long clear_user(void __user *mem, unsigned long len); -/** - * strlen_user: - Get the size of a string in user space. - * @str: The string to measure. - * - * Context: User context only. This function may sleep if pagefaults are - * enabled. - * - * Get the size of a NUL-terminated string in user space. - * - * Returns the size of the string INCLUDING the terminating NUL. - * On exception, returns 0. - * - * If there is a limit on the length of a valid string, you may wish to - * consider using strnlen_user() instead. - */ -#define strlen_user(str) strnlen_user(str, ~0UL >> 1) long strnlen_user(const char __user *str, long n); #endif /* _ASM_M32R_UACCESS_H */ diff --git a/arch/m32r/kernel/m32r_ksyms.c b/arch/m32r/kernel/m32r_ksyms.c index a4d43b5cc102..68da6b800453 100644 --- a/arch/m32r/kernel/m32r_ksyms.c +++ b/arch/m32r/kernel/m32r_ksyms.c @@ -23,7 +23,6 @@ EXPORT_SYMBOL(__ioremap); EXPORT_SYMBOL(iounmap); EXPORT_SYMBOL(strncpy_from_user); -EXPORT_SYMBOL(__strncpy_from_user); EXPORT_SYMBOL(clear_user); EXPORT_SYMBOL(__clear_user); EXPORT_SYMBOL(strnlen_user); diff --git a/arch/m32r/lib/usercopy.c b/arch/m32r/lib/usercopy.c index b3ef2c899f96..b723b11107c7 100644 --- a/arch/m32r/lib/usercopy.c +++ b/arch/m32r/lib/usercopy.c @@ -89,14 +89,6 @@ do { \ #endif /* CONFIG_ISA_DUAL_ISSUE */ long -__strncpy_from_user(char *dst, const char __user *src, long count) -{ - long res; - __do_strncpy_from_user(dst, src, count, res); - return res; -} - -long strncpy_from_user(char *dst, const char __user *src, long count) { long res = -EFAULT; |