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| author | Salvatore Mesoraca <s.mesoraca16@gmail.com> | 2018-07-16 21:10:34 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-07-18 15:08:31 -0700 |
| commit | 0015b80abccecca82622d9e9d48eb210572a0c3b (patch) | |
| tree | 9e3baafb4384706952f74369f318bee0827b3abe /include/net/dsa.h | |
| parent | 14260e91707a7844206aeac10daa462cd3b1538d (diff) | |
| download | linux-0015b80abccecca82622d9e9d48eb210572a0c3b.tar.bz2 | |
net: dsa: Remove VLA usage
We avoid 2 VLAs by using a pre-allocated field in dsa_switch. We also
try to avoid dynamic allocation whenever possible (when using fewer than
bits-per-long ports, which is the common case).
Link: http://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com
Link: http://lkml.kernel.org/r/20180505185145.GB32630@lunn.ch
Signed-off-by: Salvatore Mesoraca <s.mesoraca16@gmail.com>
[kees: tweak commit subject and message slightly]
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/dsa.h')
| -rw-r--r-- | include/net/dsa.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/net/dsa.h b/include/net/dsa.h index fdbd6082945d..461e8a7661b7 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -259,6 +259,9 @@ struct dsa_switch { /* Number of switch port queues */ unsigned int num_tx_queues; + unsigned long *bitmap; + unsigned long _bitmap; + /* Dynamically allocated ports, keep last */ size_t num_ports; struct dsa_port ports[]; |