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authorJiri Slaby <jslaby@suse.cz>2011-06-05 12:16:17 (GMT)
committerGreg Kroah-Hartman <gregkh@suse.de>2011-06-07 17:36:47 (GMT)
commit2872628680bad71a6734e7d379168f990a91cc09 (patch)
tree651549c2eba524cd8e35c61d6fafc083afdeb3fd /fs/ceph/dir.c
parent92f6fa09bd453ffe3351fa1f1377a1b7cfa911e6 (diff)
downloadlinux-2872628680bad71a6734e7d379168f990a91cc09.tar.xz
TTY: ntty, add one more sanity check
With the previous patch, we fixed another bug where read_buf was freed while we still was in n_tty_read. We currently check whether read_buf is NULL at the start of the function. Add one more check after we wake up from waiting for input. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'fs/ceph/dir.c')
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