diff options
| author | Christoph Hellwig <hch@lst.de> | 2008-11-28 04:09:09 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2009-03-27 14:43:57 -0400 |
| commit | 2b1c6bd77d4e6a727ffac8630cd154b2144b751a (patch) | |
| tree | ffc4237dbeed66492124ef2ccecf48db0767531a /arch/s390/kernel | |
| parent | ec1ab0abde0af586a59541ad71841f022dcac3e7 (diff) | |
generic compat_sys_ustat
Due to a different size of ino_t ustat needs a compat handler, but
currently only x86 and mips provide one. Add a generic compat_sys_ustat
and switch all architectures over to it. Instead of doing various
user copy hacks compat_sys_ustat just reimplements sys_ustat as
it's trivial. This was suggested by Arnd Bergmann.
Found by Eric Sandeen when running xfstests/017 on ppc64, which causes
stack smashing warnings on RHEL/Fedora due to the too large amount of
data writen by the syscall.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/s390/kernel')
| -rw-r--r-- | arch/s390/kernel/compat_wrapper.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S index 62c706eb0de6..87cf5a79a351 100644 --- a/arch/s390/kernel/compat_wrapper.S +++ b/arch/s390/kernel/compat_wrapper.S | |||
| @@ -252,7 +252,7 @@ sys32_chroot_wrapper: | |||
| 252 | sys32_ustat_wrapper: | 252 | sys32_ustat_wrapper: |
| 253 | llgfr %r2,%r2 # dev_t | 253 | llgfr %r2,%r2 # dev_t |
| 254 | llgtr %r3,%r3 # struct ustat * | 254 | llgtr %r3,%r3 # struct ustat * |
| 255 | jg sys_ustat | 255 | jg compat_sys_ustat |
| 256 | 256 | ||
| 257 | .globl sys32_dup2_wrapper | 257 | .globl sys32_dup2_wrapper |
| 258 | sys32_dup2_wrapper: | 258 | sys32_dup2_wrapper: |