new helper: read_code()
switch binfmts that use ->read() to that (and to kernel_read()
in several cases in binfmt_flat - sure, it's nommu, but still,
doing ->read() into kmalloc'ed buffer...)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h
index c3a0914..70cf138 100644
--- a/include/linux/binfmts.h
+++ b/include/linux/binfmts.h
@@ -118,5 +118,6 @@
extern void install_exec_creds(struct linux_binprm *bprm);
extern void set_binfmt(struct linux_binfmt *new);
extern void free_bprm(struct linux_binprm *);
+extern ssize_t read_code(struct file *, unsigned long, loff_t, size_t);
#endif /* _LINUX_BINFMTS_H */