commit | 2872628680bad71a6734e7d379168f990a91cc09 | [log] [tgz] |
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author | Jiri Slaby <jslaby@suse.cz> | Sun Jun 05 14:16:17 2011 +0200 |
committer | Greg Kroah-Hartman <gregkh@suse.de> | Tue Jun 07 10:36:47 2011 -0700 |
tree | 651549c2eba524cd8e35c61d6fafc083afdeb3fd | |
parent | 92f6fa09bd453ffe3351fa1f1377a1b7cfa911e6 [diff] |
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>