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authorTsuneo.Yoshioka@f-secure.com <Tsuneo.Yoshioka@f-secure.com>2005-09-12 18:49:24 +0200
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-12 10:49:57 -0700
commit83b942bd3437d84d6ddf582477120b6b86369052 (patch)
tree75fcfc6d7f175cd35911bf93713d45a82c67a3fc /arch/x86_64/ia32
parent9acf23c42b13d682abbd5db1d293c7a77ae54b61 (diff)
[PATCH] x86-64: Fix 32bit sendfile
If we use 64bit kernel on ia64/x86_64/s390 architecture, and we run 32bit binary on 32bit compatibility mode, sendfile system call seems be not set offset argument. This is because sendfile's return value is not zero but the code regards the result by return value is zero or not. This problem will be affect to ia64/x86_64/s390 and not affect to other architecture does not affect other architecture (mips/parisc/ppc64/sparc64). Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/x86_64/ia32')
-rw-r--r--arch/x86_64/ia32/sys_ia32.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86_64/ia32/sys_ia32.c b/arch/x86_64/ia32/sys_ia32.c
index 04d80406ce4..5389df610e7 100644
--- a/arch/x86_64/ia32/sys_ia32.c
+++ b/arch/x86_64/ia32/sys_ia32.c
@@ -751,7 +751,7 @@ sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offset, s32 count)
ret = sys_sendfile(out_fd, in_fd, offset ? &of : NULL, count);
set_fs(old_fs);
- if (!ret && offset && put_user(of, offset))
+ if (offset && put_user(of, offset))
return -EFAULT;
return ret;