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[PATCH] Char: mxser_new, do not null driver_data
driver_data are initialzed to NULL from tty layer, no need to do it in the driver. In this case it cases oops, since driver_data may be NULL for a short while for another closing process. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: <osv@javad.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -927,9 +927,6 @@ static int mxser_open(struct tty_struct *tty, struct file *filp)
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struct mxser_port *info;
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int retval, line;
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/* initialize driver_data in case something fails */
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tty->driver_data = NULL;
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line = tty->index;
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if (line == MXSER_PORTS)
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return 0;
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