diff options
| author | Helge Deller <deller@gmx.de> | 2021-09-04 23:49:26 +0200 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2021-09-09 12:44:30 +0200 |
| commit | 1260dea6d2eb75706c978da828a36f0def590d3a (patch) | |
| tree | c7a40aaf59865b28ef6809c2eef65be440e50892 /arch/parisc/lib | |
| parent | 3da6379a6d865ef4faa369eebe2019dac75cda4b (diff) | |
parisc: Drop strnlen_user() in favour of generic version
As suggested by Arnd Bergmann, drop the parisc version of
strnlen_user() and switch to the generic version.
Suggested-by: Arnd Bergmann <arnd@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'arch/parisc/lib')
| -rw-r--r-- | arch/parisc/lib/lusercopy.S | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/arch/parisc/lib/lusercopy.S b/arch/parisc/lib/lusercopy.S index 36d6a8638ead..0aad5ce89f4d 100644 --- a/arch/parisc/lib/lusercopy.S +++ b/arch/parisc/lib/lusercopy.S @@ -67,40 +67,6 @@ $lclu_done: ENDPROC_CFI(lclear_user) - /* - * long lstrnlen_user(char *s, long n) - * - * Returns 0 if exception before zero byte or reaching N, - * N+1 if N would be exceeded, - * else strlen + 1 (i.e. includes zero byte). - */ - -ENTRY_CFI(lstrnlen_user) - comib,= 0,%r25,$lslen_nzero - copy %r26,%r24 - get_sr -1: ldbs,ma 1(%sr1,%r26),%r1 -$lslen_loop: - comib,=,n 0,%r1,$lslen_done - addib,<> -1,%r25,$lslen_loop -2: ldbs,ma 1(%sr1,%r26),%r1 -$lslen_done: - bv %r0(%r2) - sub %r26,%r24,%r28 - -$lslen_nzero: - b $lslen_done - ldo 1(%r26),%r26 /* special case for N == 0 */ - -3: b $lslen_done - copy %r24,%r26 /* reset r26 so 0 is returned on fault */ - - ASM_EXCEPTIONTABLE_ENTRY(1b,3b) - ASM_EXCEPTIONTABLE_ENTRY(2b,3b) - -ENDPROC_CFI(lstrnlen_user) - - /* * unsigned long pa_memcpy(void *dstp, const void *srcp, unsigned long len) * |