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authorJohannes Stezenbach <js@linuxtv.org>2007-01-29 13:19:44 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-01-30 08:26:44 -0800
commit88f6cd0c3bb5db2619103f834d4167b7d0d9899c (patch)
tree06ee040a40e749dc1bf2fed61201db9d2a4d0356 /fs/hostfs
parent7a238fcba0629b6f2edbcd37458bae56fcf36be5 (diff)
downloadop-kernel-dev-88f6cd0c3bb5db2619103f834d4167b7d0d9899c.zip
op-kernel-dev-88f6cd0c3bb5db2619103f834d4167b7d0d9899c.tar.gz
[PATCH] uml: fix mknod
Fix UML hostfs mknod(): userspace has differernt dev_t size and encoding than kernel, so extract major/minor and reencode using glibc makedev() macro. Signed-off-by: Johannes Stezenbach <js@linuxtv.org> Acked-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Cc: Jeff Dike <jdike@addtoit.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/hostfs')
-rw-r--r--fs/hostfs/hostfs.h2
-rw-r--r--fs/hostfs/hostfs_kern.c2
-rw-r--r--fs/hostfs/hostfs_user.c4
3 files changed, 4 insertions, 4 deletions
diff --git a/fs/hostfs/hostfs.h b/fs/hostfs/hostfs.h
index cca3fb6..70543b1 100644
--- a/fs/hostfs/hostfs.h
+++ b/fs/hostfs/hostfs.h
@@ -76,7 +76,7 @@ extern int make_symlink(const char *from, const char *to);
extern int unlink_file(const char *file);
extern int do_mkdir(const char *file, int mode);
extern int do_rmdir(const char *file);
-extern int do_mknod(const char *file, int mode, int dev);
+extern int do_mknod(const char *file, int mode, unsigned int major, unsigned int minor);
extern int link_file(const char *from, const char *to);
extern int do_readlink(char *file, char *buf, int size);
extern int rename_file(char *from, char *to);
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index 1e6fc37..69a376f 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -755,7 +755,7 @@ int hostfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
goto out_put;
init_special_inode(inode, mode, dev);
- err = do_mknod(name, mode, dev);
+ err = do_mknod(name, mode, MAJOR(dev), MINOR(dev));
if(err)
goto out_free;
diff --git a/fs/hostfs/hostfs_user.c b/fs/hostfs/hostfs_user.c
index 23b7cee..1ed5ea3 100644
--- a/fs/hostfs/hostfs_user.c
+++ b/fs/hostfs/hostfs_user.c
@@ -295,11 +295,11 @@ int do_rmdir(const char *file)
return(0);
}
-int do_mknod(const char *file, int mode, int dev)
+int do_mknod(const char *file, int mode, unsigned int major, unsigned int minor)
{
int err;
- err = mknod(file, mode, dev);
+ err = mknod(file, mode, makedev(major, minor));
if(err) return(-errno);
return(0);
}
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