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| author | David S. Miller <davem@davemloft.net> | 2009-07-28 03:10:28 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-07-28 03:10:28 +0200 |
| commit | 9a926d86b29a25456f1dd8c9df938e151b1c3978 (patch) | |
| tree | e718df684012799022e726ebdc007b1eab9cf77a /arch/sparc/kernel/sys32.S | |
| parent | sparc: Fix cleanup crash in bbc_envctrl_cleanup() (diff) | |
| download | linux-9a926d86b29a25456f1dd8c9df938e151b1c3978.tar.xz linux-9a926d86b29a25456f1dd8c9df938e151b1c3978.zip | |
sparc64: Sign extend length arg to truncate syscalls when compat.
The first thing sys_truncate() and sys_ftruncate() do is sign extend
the unsigned length arg to a signed type.
Thanks to Benjamin Herrenschmidt for the tip.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/kernel/sys32.S')
| -rw-r--r-- | arch/sparc/kernel/sys32.S | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/sparc/kernel/sys32.S b/arch/sparc/kernel/sys32.S index f061c4dda9ef..577f8fab8b6b 100644 --- a/arch/sparc/kernel/sys32.S +++ b/arch/sparc/kernel/sys32.S @@ -138,6 +138,8 @@ SIGN2(sys32_splice, sys_splice, %o0, %o1) SIGN2(sys32_sync_file_range, compat_sync_file_range, %o0, %o5) SIGN2(sys32_tee, sys_tee, %o0, %o1) SIGN1(sys32_vmsplice, compat_sys_vmsplice, %o0) +SIGN1(sys32_truncate, sys_truncate, %o1) +SIGN1(sys32_ftruncate, sys_ftruncate, %o1) .globl sys32_mmap2 sys32_mmap2: |