media: pci: cx23885: handle adding to list failure
BugLink: https://bugs.launchpad.net/bugs/1810947 [ Upstream commit c5d59528 ] altera_hw_filt_init() which calls append_internal() assumes that the node was successfully linked in while in fact it can silently fail. So the call-site needs to set return to -ENOMEM on append_internal() returning NULL and exit through the err path. Fixes: 349bcf02 ("[media] Altera FPGA based CI driver module") Signed-off-by:Nicholas Mc Guire <hofrat@osadl.org> Signed-off-by:
Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by:
Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by:
Sasha Levin <sashal@kernel.org> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by:
Juerg Haefliger <juergh@canonical.com> Signed-off-by:
Kleber Sacilotto de Souza <kleber.souza@canonical.com>
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