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(parent: 3b1b607) | patch
net: wwan: core: Return poll error in case of port removal
authorLoic Poulain <loic.poulain@linaro.org>
Thu, 22 Apr 2021 14:06:01 +0000 (16:06 +0200)
committerDavid S. Miller <davem@davemloft.net>
Thu, 22 Apr 2021 20:26:02 +0000 (13:26 -0700)
commit94f8a7cce8edab051b4562d55d885a91d458732f
tree639a107519bfbe03b9ce987e7fc9e479f1f4cab1tree | snapshot
parent3b1b607d108b36adbe3ce64981497a74e4d2d286commit | diff
net: wwan: core: Return poll error in case of port removal

Ensure that the poll system call returns proper error flags when port
is removed (nullified port ops), allowing user side to properly fail,
without further read or write.

Fixes: 1cdc26c57346 ("net: Add a WWAN subsystem")
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/wwan/wwan_core.c diff | blob | history
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