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authorTheodore Ts'o <tytso@mit.edu>2009-09-30 22:57:41 -0400
committerTheodore Ts'o <tytso@mit.edu>2009-09-30 22:57:41 -0400
commit1f94533d9cd75f6d2826018d54a971b9cc085992 (patch)
tree16c85061eabfcdece2487909bc08c45d2c01d84f /fs/ext4/super.c
parentc1fccc0696bcaff6008c11865091f5ec4b0937ab (diff)
downloadlinux-1f94533d9cd75f6d2826018d54a971b9cc085992.tar.gz
ext4: fix a BUG_ON crash by checking that page has buffers attached to it
In ext4_num_dirty_pages() we were calling page_buffers() before
checking to see if the page actually had pages attached to it; this
would cause a BUG check crash in the inline function page_buffers().

Thanks to Markus Trippelsdorf for reporting this bug.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/super.c')
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