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tools: ynl: copy netlink error to NlError

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Typing e.nl_msg.error when processing exception is a bit tedious
and counter-intuitive. Set a local .error member to the positive
value of the netlink level error.

Reviewed-by: Petr Machata <petrm@nvidia.com>
Link: https://lore.kernel.org/r/20240403023426.1762996-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2024-04-02 19:34:21 -07:00
parent 1d056bf9a4
commit b269d2b4a5
1 changed files with 2 additions and 1 deletions
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3
tools/net/ynl/lib/ynl.py
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@ -100,9 +100,10 @@ class Netlink:
class NlError(Exception):
def __init__(self, nl_msg):
self.nl_msg = nl_msg
self.error = -nl_msg.error
def __str__(self):
return f"Netlink error: {os.strerror(-self.nl_msg.error)}\n{self.nl_msg}"
return f"Netlink error: {os.strerror(self.error)}\n{self.nl_msg}"
class ConfigError(Exception):