From: Joel Stanley Date: Fri, 29 Nov 2019 00:19:30 +0000 (+1030) Subject: Revert "jffs2: Fix possible null-pointer dereferences in jffs2_add_frag_to_fragtree()" X-Git-Tag: v5.5-rc1~70^2 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=6e78c01fde9023e0701f3af880c1fd9de6e4e8e3;p=linux.git Revert "jffs2: Fix possible null-pointer dereferences in jffs2_add_frag_to_fragtree()" This reverts commit f2538f999345405f7d2e1194c0c8efa4e11f7b3a. The patch stopped JFFS2 from being able to mount an existing filesystem with the following errors: jffs2: error: (77) jffs2_build_inode_fragtree: Add node to tree failed -22 jffs2: error: (77) jffs2_do_read_inode_internal: Failed to build final fragtree for inode #5377: error -22 Fixes: f2538f999345 ("jffs2: Fix possible null-pointer dereferences...") Cc: stable@vger.kernel.org Suggested-by: Hou Tao Signed-off-by: Joel Stanley Signed-off-by: Richard Weinberger --- diff --git a/fs/jffs2/nodelist.c b/fs/jffs2/nodelist.c index 021a4a2190ee..b86c78d178c6 100644 --- a/fs/jffs2/nodelist.c +++ b/fs/jffs2/nodelist.c @@ -226,7 +226,7 @@ static int jffs2_add_frag_to_fragtree(struct jffs2_sb_info *c, struct rb_root *r lastend = this->ofs + this->size; } else { dbg_fragtree2("lookup gave no frag\n"); - return -EINVAL; + lastend = 0; } /* See if we ran off the end of the fragtree */