Commit c0291a05 authored Mar 25, 2006 by Eugene Teo Committed by Linus Torvalds Mar 25, 2006

[PATCH] v9fs: fix vfs_inode dereference before NULL check



__getname, which in turn will call kmem_cache_alloc, may return NULL.

Coverity bug #977

Signed-off-by: Eugene Teo <eugene.teo@eugeneteo.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

parent 16cce6d2

fs/9p/vfs_inode.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1244,6 +1244,8 @@ v9fs_vfs_mknod(struct inode dir, struct dentry dentry, int mode, dev_t rdev)
		return -EINVAL;

		name = __getname();
		if (!name)
		return -ENOMEM;
		/* build extension */
		if (S_ISBLK(mode))
		sprintf(name, "b %u %u", MAJOR(rdev), MINOR(rdev));