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| author | marcel <marcel@FreeBSD.org> | 2007-07-31 06:23:26 +0000 |
|---|---|---|
| committer | marcel <marcel@FreeBSD.org> | 2007-07-31 06:23:26 +0000 |
| commit | 4f54c1e2510fa11a31bd09af2b72ed8650d1cd1c (patch) | |
| tree | a156573f6440df4fedf787810839bf875baf6e96 /sys/powerpc | |
| parent | 5bbfc2d7829c0b94e802bccbdf9a2c5eb16c18b2 (diff) | |
| download | FreeBSD-src-4f54c1e2510fa11a31bd09af2b72ed8650d1cd1c.zip FreeBSD-src-4f54c1e2510fa11a31bd09af2b72ed8650d1cd1c.tar.gz | |
Fix backward compatibility of the "old" (i.e. FreeBSD6) lseek
syscall. It was broken when a new lseek syscall was introduced.
The problem is that we need to swap the 32-bit td_retval values
for the __syscall indirect syscall when the actual syscall has
a 32-bit return value. Hence, we need to exclude lseek(2). And
this means the "old" lseek(2) as well -- which we didn't.
Based on a patch from: grehan@
Approved by: re (rwatson)
Diffstat (limited to 'sys/powerpc')
| -rw-r--r-- | sys/powerpc/aim/trap.c | 4 | ||||
| -rw-r--r-- | sys/powerpc/powerpc/trap.c | 4 |
2 files changed, 4 insertions, 4 deletions
diff --git a/sys/powerpc/aim/trap.c b/sys/powerpc/aim/trap.c index 1f25b26..2cae6a3 100644 --- a/sys/powerpc/aim/trap.c +++ b/sys/powerpc/aim/trap.c @@ -433,8 +433,8 @@ syscall(struct trapframe *frame) } switch (error) { case 0: - if ((frame->fixreg[0] == SYS___syscall) && - (code != SYS_lseek)) { + if (frame->fixreg[0] == SYS___syscall && + code != SYS_freebsd6_lseek && code != SYS_lseek) { /* * 64-bit return, 32-bit syscall. Fixup byte order */ diff --git a/sys/powerpc/powerpc/trap.c b/sys/powerpc/powerpc/trap.c index 1f25b26..2cae6a3 100644 --- a/sys/powerpc/powerpc/trap.c +++ b/sys/powerpc/powerpc/trap.c @@ -433,8 +433,8 @@ syscall(struct trapframe *frame) } switch (error) { case 0: - if ((frame->fixreg[0] == SYS___syscall) && - (code != SYS_lseek)) { + if (frame->fixreg[0] == SYS___syscall && + code != SYS_freebsd6_lseek && code != SYS_lseek) { /* * 64-bit return, 32-bit syscall. Fixup byte order */ |
