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Revert "jffs2: Fix possible null-pointer dereferences in jffs2_add_frag_to_fragtree()"

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This reverts commit f2538f9993. 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: f2538f9993 ("jffs2: Fix possible null-pointer dereferences...")
Cc: stable@vger.kernel.org
Suggested-by: Hou Tao <houtao1@huawei.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Joel Stanley 2019-11-29 10:49:30 +10:30 • committed by Richard Weinberger
parent f9c34bb529
commit 6e78c01fde
1 changed files with 1 additions and 1 deletions
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2
fs/jffs2/nodelist.c
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@ -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; lastend = this->ofs + this->size;
} else { } else {
dbg_fragtree2("lookup gave no frag\n"); dbg_fragtree2("lookup gave no frag\n");
return -EINVAL; lastend = 0;
} }
/* See if we ran off the end of the fragtree */ /* See if we ran off the end of the fragtree */