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| author | Jonas Bonn <jonas@southpole.se> | 2012-05-27 10:25:47 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-28 06:00:32 +0200 |
| commit | b48b2c3e50433ff6f7e46186daa7f986bd960215 (patch) | |
| tree | 9a10b2130582f99df5ae7eae0b959425e791118c /arch/openrisc/lib | |
| parent | powerpc: Use the new generic strncpy_from_user() and strnlen_user() (diff) | |
| download | linux-b48b2c3e50433ff6f7e46186daa7f986bd960215.tar.xz linux-b48b2c3e50433ff6f7e46186daa7f986bd960215.zip | |
openrisc: use generic strnlen_user() function
The generic version is both easier to support and more correct.
Signed-off-by: Jonas Bonn <jonas@southpole.se>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/openrisc/lib')
| -rw-r--r-- | arch/openrisc/lib/string.S | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/arch/openrisc/lib/string.S b/arch/openrisc/lib/string.S index 8ceb11ebafb9..c09fee7dec14 100644 --- a/arch/openrisc/lib/string.S +++ b/arch/openrisc/lib/string.S @@ -103,50 +103,3 @@ __clear_user: .section __ex_table, "a" .long 9b, 99b // write fault .previous - - -/* - * extern int __strnlen_user(const char *str, long len, unsigned long top); - * - * - * RTRN: - length of a string including NUL termination character - * - on page fault 0 - */ - - .global __strnlen_user -__strnlen_user: - l.addi r1,r1,-8 - l.sw 0(r1),r6 - l.sw 4(r1),r3 - - l.addi r11,r0,0 -2: l.sfeq r11,r4 - l.bf 1f - l.addi r11,r11,1 -8: l.lbz r6,0(r3) - l.sfeq r6,r0 - l.bf 1f - l.sfgeu r3,r5 // are we over the top ? - l.bf 99f - l.j 2b - l.addi r3,r3,1 - -1: - l.lwz r6,0(r1) - l.lwz r3,4(r1) - l.jr r9 - l.addi r1,r1,8 - - .section .fixup, "ax" -99: - l.addi r11,r0,0 - - l.lwz r6,0(r1) - l.lwz r3,4(r1) - l.jr r9 - l.addi r1,r1,8 - .previous - - .section __ex_table, "a" - .long 8b, 99b // read fault - .previous |