module: do not print allocation-fail warning on bogus user buffer size
authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>
Tue, 24 Mar 2015 02:01:40 +0000 (12:31 +1030)
committerRusty Russell <rusty@rustcorp.com.au>
Tue, 24 Mar 2015 02:02:37 +0000 (12:32 +1030)
commitcc9e605dc6cb2e32fedae4ac2f61ad3b5f8d623d
treecdc55e6352c7cb5766f3784ef867165ad5dc7737
parent7b63c3ab9b10b8a9cdc6b3a9e0e3d6a8a5d28970
module: do not print allocation-fail warning on bogus user buffer size

init_module(2) passes user-specified buffer length directly to
vmalloc(). It makes warn_alloc_failed() to print out a lot of info into
dmesg if user specified insane size, like -1.

Let's silence the warning. It doesn't add much value to -ENOMEM return
code. Without the patch the syscall is prohibitive noisy for testing
with trinity.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Dave Jones <davej@codemonkey.org.uk>
Cc: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
kernel/module.c