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| author | Gustavo A. R. Silva <gustavoars@kernel.org> | 2020-08-11 18:36:37 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-08-12 10:58:01 -0700 |
| commit | 216ec27f3c5215d357f351fa103817c8b62ea804 (patch) | |
| tree | 2098bb467940271a28608fad1c706b85b8d1247b /drivers/rapidio | |
| parent | 0935288c6e008c0682ab6171fb5605dcc049e7bd (diff) | |
| download | lwn-216ec27f3c5215d357f351fa103817c8b62ea804.tar.gz lwn-216ec27f3c5215d357f351fa103817c8b62ea804.zip | |
drivers/rapidio/devices/rio_mport_cdev.c: use struct_size() helper
Make use of the struct_size() helper instead of an open-coded version in
order to avoid any potential type mistakes.
This issue was found with the help of Coccinelle and, audited and fixed
manually.
Addresses KSPP ID: https://github.com/KSPP/linux/issues/83
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Alexandre Bounine <alex.bou9@gmail.com>
Link: http://lkml.kernel.org/r/20200619170843.GA24923@embeddedor
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rapidio')
| -rw-r--r-- | drivers/rapidio/devices/rio_mport_cdev.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/rapidio/devices/rio_mport_cdev.c b/drivers/rapidio/devices/rio_mport_cdev.c index 451608e960a1..3abbba8c2b5b 100644 --- a/drivers/rapidio/devices/rio_mport_cdev.c +++ b/drivers/rapidio/devices/rio_mport_cdev.c @@ -1710,8 +1710,7 @@ static int rio_mport_add_riodev(struct mport_cdev_priv *priv, if (rval & RIO_PEF_SWITCH) { rio_mport_read_config_32(mport, destid, hopcount, RIO_SWP_INFO_CAR, &swpinfo); - size += (RIO_GET_TOTAL_PORTS(swpinfo) * - sizeof(rswitch->nextdev[0])) + sizeof(*rswitch); + size += struct_size(rswitch, nextdev, RIO_GET_TOTAL_PORTS(swpinfo)); } rdev = kzalloc(size, GFP_KERNEL); |