hfsplus: avoid crash on failed block map free
authorAlan Cox <alan@linux.intel.com>
Thu, 20 Dec 2012 23:05:24 +0000 (15:05 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 21 Dec 2012 01:40:19 +0000 (17:40 -0800)
commit5daa669c80c121ab75ecdf1c8e2df52f072fd25e
tree2b630dfed7fe5a88c1defe53dcdad10fee4d33f5
parent44fd07e989a9a27476d8963296688127a4fd4df4
hfsplus: avoid crash on failed block map free

If the read fails we kmap an error code.  This doesn't end well.  Instead
print a critical error and pray.  This mirrors the rest of the fs
behaviour with critical error cases.

Acked-by: Vyacheslav Dubeyko <slava@dubeyko.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Vyacheslav Dubeyko <slava@dubeyko.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Jan Kara <jack@suse.cz>
Acked-by: Hin-Tak Leung <htl10@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
fs/hfsplus/bitmap.c