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can: raw: fix getsockopt() for new CAN_RAW_XL_VCID_OPTS
The code for the CAN_RAW_XL_VCID_OPTS getsockopt() was incompletely adopted
from the CAN_RAW_FILTER getsockopt().
Add the missing put_user() and return statements.
Flagged by Smatch.
Fixes: c83c22ec14
("can: canxl: add virtual CAN network identifier support")
Reported-by: Simon Horman <horms@kernel.org>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Link: https://lore.kernel.org/all/20240219200021.12113-1-socketcan@hartkopp.net
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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parent
a93fca9201
commit
c8fba5d6df
1 changed files with 3 additions and 1 deletions
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@ -835,7 +835,9 @@ static int raw_getsockopt(struct socket *sock, int level, int optname,
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if (copy_to_user(optval, &ro->raw_vcid_opts, len))
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err = -EFAULT;
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}
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break;
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if (!err)
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err = put_user(len, optlen);
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return err;
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case CAN_RAW_JOIN_FILTERS:
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if (len > sizeof(int))
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