net: enetc: distinguish error from valid pointers in enetc_fixup_clear_rss_rfs()

enetc_psi_create() returns an ERR_PTR() or a valid station interface
pointer, but checking for the non-NULL quality of the return code blurs
that difference away. So if enetc_psi_create() fails, we call
enetc_psi_destroy() when we shouldn't. This will likely result in
crashes, since enetc_psi_create() cleans up everything after itself when
it returns an ERR_PTR().

Fixes: f0168042a212 ("net: enetc: reimplement RFS/RSS memory clearing as PCI quirk")
Reported-by: Dan Carpenter <[email protected]>
Closes: https://lore.kernel.org/netdev/[email protected]/
Suggested-by: Dan Carpenter <[email protected]>
Signed-off-by: Vladimir Oltean <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>

0 files changed, 0 insertions, 0 deletions