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  1. Bug #511157
  2. Comment #13

Comment 13 for bug 511157

Revision history for this message
Andy Whitcroft (apw) wrote :

Seems to have made it upstream, and appears to be cc: stable so we may well get it shortly that way.

commit b87c6e86dac1bb5222279cc8ff7e09529e1c4ed9
Author: Elina Pasheva <email address hidden>
Date: Mon Feb 15 14:50:14 2010 -0800

    USB: serial: sierra driver indat_callback fix

    A crash has been reported with sierra driver on disconnect with
    Ubuntu/Lucid distribution based on kernel-2.6.32.
    The cause of the crash was determined as "NULL tty pointer was being
    referenced" and the NULL pointer was passed by sierra_indat_callback().

    This patch modifies sierra_indat_callback() function to check for NULL
    tty structure pointer. This modification prevents a crash from happening
    when the device is disconnected.

    This patch fixes the bug reported in Launchpad:
      https://bugs.launchpad.net/ubuntu/+source/linux/+bug/511157

    Signed-off-by: Elina Pasheva <email address hidden>
    Cc: stable <email address hidden>
    Signed-off-by: Greg Kroah-Hartman <email address hidden>