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greybus: legacy: fix a null pointer dereference
authorBartosz Golaszewski <bgolaszewski@baylibre.com>
Wed, 27 Jan 2016 12:17:52 +0000 (13:17 +0100)
committerGreg Kroah-Hartman <gregkh@google.com>
Thu, 28 Jan 2016 01:34:54 +0000 (17:34 -0800)
commit6e304f5963ce2136cf8fda2acfb87cfe942d2e71
tree6846de66a191cbce0eb50c6766bf8c11ff77b1catree | snapshot
parent5bee760890aff6dfef8b50c5e4167e9cd003ee7bcommit | diff
greybus: legacy: fix a null pointer dereference

When gb_protocol_get() fails in legacy_connection_create(), we end up
bailing-out before assigning lc->connection and lc->protocol. Calling
legacy_connection_destroy() in that case results in a null pointer
dereference.

Check if lc->connection is not null before freeing it.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
drivers/staging/greybus/legacy.c diff | blob | history
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