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authorRichard Weinberger <richard@nod.at>2010-10-26 14:21:18 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-26 16:52:04 -0700
commit1b627d5771312c92404b66f0a0b16f66036dd2e1 (patch)
tree4911b7c27da0fc09f557f46a275782b9a73e6fb3 /fs/hostfs/hostfs_user.c
parentde5e2ddf9bb3ce7b643223b9b0718062254f302f (diff)
hostfs: fix UML crash: remove f_spare from hostfs
365b1818 ("add f_flags to struct statfs(64)") resized f_spare within struct statfs which caused a UML crash. There is no need to copy f_spare. Signed-off-by: Richard Weinberger <richard@nod.at> Reported-by: Toralf Förster <toralf.foerster@gmx.de> Tested-by: Toralf Förster <toralf.foerster@gmx.de> Cc: Christoph Hellwig <hch@lst.de> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Jeff Dike <jdike@addtoit.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/hostfs/hostfs_user.c')
-rw-r--r--fs/hostfs/hostfs_user.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/fs/hostfs/hostfs_user.c b/fs/hostfs/hostfs_user.c
index 6777aa06ce2c..8d02683585e0 100644
--- a/fs/hostfs/hostfs_user.c
+++ b/fs/hostfs/hostfs_user.c
@@ -364,8 +364,7 @@ int rename_file(char *from, char *to)
int do_statfs(char *root, long *bsize_out, long long *blocks_out,
long long *bfree_out, long long *bavail_out,
long long *files_out, long long *ffree_out,
- void *fsid_out, int fsid_size, long *namelen_out,
- long *spare_out)
+ void *fsid_out, int fsid_size, long *namelen_out)
{
struct statfs64 buf;
int err;
@@ -384,10 +383,6 @@ int do_statfs(char *root, long *bsize_out, long long *blocks_out,
sizeof(buf.f_fsid) > fsid_size ? fsid_size :
sizeof(buf.f_fsid));
*namelen_out = buf.f_namelen;
- spare_out[0] = buf.f_spare[0];
- spare_out[1] = buf.f_spare[1];
- spare_out[2] = buf.f_spare[2];
- spare_out[3] = buf.f_spare[3];
- spare_out[4] = buf.f_spare[4];
+
return 0;
}