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| author | Ivan Kokshaysky <ink@jurassic.park.msu.ru> | 2006-04-25 13:45:19 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-04-25 07:51:06 -0700 |
| commit | 4d5c34ec7b007cfb0771a36996b009f194acbb2f (patch) | |
| tree | 7658508b67f6aa03d5b38b68a197502068699ea8 /arch/alpha/lib/strncpy.S | |
| parent | 454ac778459bc70f0a9818a6a8fd974ced11de66 (diff) | |
| download | op-kernel-dev-4d5c34ec7b007cfb0771a36996b009f194acbb2f.zip op-kernel-dev-4d5c34ec7b007cfb0771a36996b009f194acbb2f.tar.gz | |
[PATCH] Alpha: strncpy() fix
As it turned out after recent SCSI changes, strncpy() was broken -
it mixed up the return values from __stxncpy() in registers $24 and $27.
Thanks to Mathieu Chouquet-Stringer for tracking down the problem
and providing an excellent test case.
Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/alpha/lib/strncpy.S')
| -rw-r--r-- | arch/alpha/lib/strncpy.S | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/alpha/lib/strncpy.S b/arch/alpha/lib/strncpy.S index 338551c..bbdef1b 100644 --- a/arch/alpha/lib/strncpy.S +++ b/arch/alpha/lib/strncpy.S @@ -43,8 +43,8 @@ strncpy: .align 4 $multiword: - subq $24, 1, $2 # clear the final bits in the prev word - or $2, $24, $2 + subq $27, 1, $2 # clear the final bits in the prev word + or $2, $27, $2 zapnot $1, $2, $1 subq $18, 1, $18 @@ -70,8 +70,8 @@ $multiword: bne $18, 0b 1: ldq_u $1, 0($16) # clear the leading bits in the final word - subq $27, 1, $2 - or $2, $27, $2 + subq $24, 1, $2 + or $2, $24, $2 zap $1, $2, $1 stq_u $1, 0($16) |
