tree: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git
master
head: 1ba982806ce58baac44c52e6c7812245afad27c8
commit: c5d99d2b35dadebab2408bb10dcd50364eaaf9f4 [479/480] ieee802154: hwsim:
fix rcu address annotation
reproduce:
# apt-get install sparse
git checkout c5d99d2b35dadebab2408bb10dcd50364eaaf9f4
make ARCH=x86_64 allmodconfig
make C=1 CF=-D__CHECK_ENDIAN__
sparse warnings: (new ones prefixed by >>)
drivers/net/ieee802154/mac802154_hwsim.c:799:18: sparse: incorrect type in
assignment (different address spaces) @@ expected struct hwsim_pib [noderef]
<asn:4>*pib @@ got hwsim_pib [noderef] <asn:4>*pib @@
drivers/net/ieee802154/mac802154_hwsim.c:799:18: expected struct
hwsim_pib [noderef] <asn:4>*pib
drivers/net/ieee802154/mac802154_hwsim.c:799:18: got struct hwsim_pib
*[assigned] pib
drivers/net/ieee802154/mac802154_hwsim.c:835:9: sparse: incorrect type in
argument 1 (different address spaces) @@ expected struct callback_head *head
@@ got struct callback_hstruct callback_head *head @@
drivers/net/ieee802154/mac802154_hwsim.c:835:9: expected struct
callback_head *head
drivers/net/ieee802154/mac802154_hwsim.c:835:9: got struct callback_head
[noderef] <asn:4>*<noident>
drivers/net/ieee802154/mac802154_hwsim.c:113:17: sparse: incorrect type in
assignment (different address spaces) @@ expected struct hwsim_pib *pib_old
@@ got struct hwsim_pib struct hwsim_pib *pib_old @@
drivers/net/ieee802154/mac802154_hwsim.c:113:17: expected struct
hwsim_pib *pib_old
drivers/net/ieee802154/mac802154_hwsim.c:113:17: got struct hwsim_pib
[noderef] <asn:4>*pib
>> drivers/net/ieee802154/mac802154_hwsim.c:409:17: sparse: incorrect type in
>> assignment (different address spaces) @@ expected struct hwsim_edge_info
>> [noderef] <asn:4>*info @@ got hwsim_edge_info [noderef] <asn:4>*info @@
drivers/net/ieee802154/mac802154_hwsim.c:409:17: expected struct
hwsim_edge_info [noderef] <asn:4>*info
drivers/net/ieee802154/mac802154_hwsim.c:409:17: got struct
hwsim_edge_info *[assigned] einfo
drivers/net/ieee802154/mac802154_hwsim.c:417:9: sparse: incorrect type in
argument 1 (different address spaces) @@ expected struct callback_head *head
@@ got struct callback_hstruct callback_head *head @@
drivers/net/ieee802154/mac802154_hwsim.c:417:9: expected struct
callback_head *head
drivers/net/ieee802154/mac802154_hwsim.c:417:9: got struct callback_head
[noderef] <asn:4>*<noident>
vim +409 drivers/net/ieee802154/mac802154_hwsim.c
f25da51f Alexander Aring 2018-07-14 392
f25da51f Alexander Aring 2018-07-14 393 static struct hwsim_edge
*hwsim_alloc_edge(struct hwsim_phy *endpoint, u8 lqi)
f25da51f Alexander Aring 2018-07-14 394 {
f25da51f Alexander Aring 2018-07-14 395 struct hwsim_edge_info *einfo;
f25da51f Alexander Aring 2018-07-14 396 struct hwsim_edge *e;
f25da51f Alexander Aring 2018-07-14 397
f25da51f Alexander Aring 2018-07-14 398 e = kzalloc(sizeof(*e),
GFP_KERNEL);
f25da51f Alexander Aring 2018-07-14 399 if (!e)
f25da51f Alexander Aring 2018-07-14 400 return NULL;
f25da51f Alexander Aring 2018-07-14 401
f25da51f Alexander Aring 2018-07-14 402 einfo = kzalloc(sizeof(*einfo),
GFP_KERNEL);
f25da51f Alexander Aring 2018-07-14 403 if (!einfo) {
f25da51f Alexander Aring 2018-07-14 404 kfree(e);
f25da51f Alexander Aring 2018-07-14 405 return NULL;
f25da51f Alexander Aring 2018-07-14 406 }
f25da51f Alexander Aring 2018-07-14 407
f25da51f Alexander Aring 2018-07-14 408 einfo->lqi = 0xff;
f25da51f Alexander Aring 2018-07-14 @409 e->info = einfo;
f25da51f Alexander Aring 2018-07-14 410 e->endpoint = endpoint;
f25da51f Alexander Aring 2018-07-14 411
f25da51f Alexander Aring 2018-07-14 412 return e;
f25da51f Alexander Aring 2018-07-14 413 }
f25da51f Alexander Aring 2018-07-14 414
:::::: The code at line 409 was first introduced by commit
:::::: f25da51fdc381ca2863248c7060b3662632f0872 ieee802154: hwsim: add
replacement for fakelb
:::::: TO: Alexander Aring <[email protected]>
:::::: CC: Stefan Schmidt <[email protected]>
---
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