net: thunderx: set xdp_prog to NULL if bpf_prog_add fails

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[ Upstream commit 6d0f60b0f8 ]

Set xdp_prog pointer to NULL if bpf_prog_add fails since that routine
reports the error code instead of NULL in case of failure and xdp_prog
pointer value is used in the driver to verify if XDP is currently
enabled.
Moreover report the error code to userspace if nicvf_xdp_setup fails

Fixes: 05c773f52b ("net: thunderx: Add basic XDP support")
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Lorenzo Bianconi 2018-11-21 16:32:10 +01:00 • committed by Greg Kroah-Hartman

parent 535b494a4f

commit 2f6cfb8e9f

1 changed files with 7 additions and 2 deletions

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drivers/net/ethernet/cavium/thunder/nicvf_main.c

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