From: Sasha Levin <levinsasha928@gmail.com>
Date: Tue, 31 Jan 2012 04:07:22 +0000 (-0500)
Subject: module: Remove module size limit
X-Git-Tag: firefly_0821_release~7541^2~1459
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=41f8ef7f8b7c2b0b0d1f4682bb70c709c1d3c541;p=firefly-linux-kernel-4.4.55.git

module: Remove module size limit

commit f946eeb9313ff1470758e171a60fe7438a2ded3f upstream.

Module size was limited to 64MB, this was legacy limitation due to vmalloc()
which was removed a while ago.

Limiting module size to 64MB is both pointless and affects real world use
cases.

Cc: Tim Abbott <tim.abbott@oracle.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/kernel/module.c b/kernel/module.c
index 795bdc7f5c3f..b9d0667efe62 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2290,8 +2290,7 @@ static int copy_and_check(struct load_info *info,
 		return -ENOEXEC;
 
 	/* Suck in entire file: we'll want most of it. */
-	/* vmalloc barfs on "unusual" numbers.  Check here */
-	if (len > 64 * 1024 * 1024 || (hdr = vmalloc(len)) == NULL)
+	if ((hdr = vmalloc(len)) == NULL)
 		return -ENOMEM;
 
 	if (copy_from_user(hdr, umod, len) != 0) {