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authorTetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>2011-07-26 16:08:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-26 16:49:44 -0700
commitb4edf8bd06916645b57df23a720b17cae4051c43 (patch)
treed0b6a63dfb043822d28498eae9a89553765ce3fe
parent912193521b719fbfc2f16776febf5232fe8ba261 (diff)
exec: do not retry load_binary method if CONFIG_MODULES=n
If CONFIG_MODULES=n, it makes no sense to retry the list of binary formats handler because the list will not be modified by request_module(). Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: Richard Weinberger <richard@nod.at> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--fs/exec.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/exec.c b/fs/exec.c
index e6770a526f34..0e8e59939d09 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1430,9 +1430,9 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs)
}
}
read_unlock(&binfmt_lock);
+#ifdef CONFIG_MODULES
if (retval != -ENOEXEC || bprm->mm == NULL) {
break;
-#ifdef CONFIG_MODULES
} else {
#define printable(c) (((c)=='\t') || ((c)=='\n') || (0x20<=(c) && (c)<=0x7e))
if (printable(bprm->buf[0]) &&
@@ -1443,8 +1443,10 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs)
if (try)
break; /* -ENOEXEC */
request_module("binfmt-%04x", *(unsigned short *)(&bprm->buf[2]));
-#endif
}
+#else
+ break;
+#endif
}
return retval;
}

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