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net: dsa: trailer: don't allocate additional memory for padding/tagging
authorChristian Eggers <ceggers@arri.de>
Sun, 1 Nov 2020 19:16:11 +0000 (21:16 +0200)
committerJakub Kicinski <kuba@kernel.org>
Tue, 3 Nov 2020 01:41:16 +0000 (17:41 -0800)
commitef3f72fee286bd270453ce2344feb7295a798508
tree256874674d4329ddc1992400e8d8be384084e849tree
parent88fda8eefd9a7a7175bf4dad1d02cc0840581111commit | diff
net: dsa: trailer: don't allocate additional memory for padding/tagging

The caller (dsa_slave_xmit) guarantees that the frame length is at least
ETH_ZLEN and that enough memory for tail tagging is available.

Signed-off-by: Christian Eggers <ceggers@arri.de>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
net/dsa/tag_trailer.c diff | blob | history
XArray, radix tree and IDR