summaryrefslogtreecommitdiffstats
path: root/net/ipv4/route.c
diff options
context:
space:
mode:
authorTakashi Iwai <tiwai@suse.de>2020-06-01 20:26:07 +0200
committerTakashi Iwai <tiwai@suse.de>2020-06-01 20:26:07 +0200
commit7318234c8d7c0f209f993ee46a7ea148efdb28b9 (patch)
tree1a623f3bc3fdee5f5a73a7bfca4c5ab1a3d44919 /net/ipv4/route.c
parentf99e24a6778a065dad732b916b2648352609c79a (diff)
parent358c7c61fd04d324f83d7968daf8dd9a6ff86a9a (diff)
downloadlinux-stable-7318234c8d7c0f209f993ee46a7ea148efdb28b9.tar.gz
linux-stable-7318234c8d7c0f209f993ee46a7ea148efdb28b9.tar.bz2
linux-stable-7318234c8d7c0f209f993ee46a7ea148efdb28b9.zip
Merge tag 'asoc-v5.8' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v5.8 This has been another very active release with a bunch of new drivers, lots of fixes everywhere and continued core improvements from Morimoto-san: - Lots of core cleanups and refactorings from Morimoto-san, factoring out common operations and making the card abstraction more solid. - Continued work on cleaning up and improving the Intel drivers, along with some new platform support for them. - Fixes to make the Marvell SSPA driver work upstream. - Support for AMD Renoir ACP, Dialog DA7212, Freescale EASRC and i.MX8M, Intel Elkhard Lake, Maxim MAX98390, Nuvoton NAU8812 and NAU8814 and Realtek RT1016.
Diffstat (limited to 'net/ipv4/route.c')
-rw-r--r--net/ipv4/route.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 788c69d9bfe0..b73f540fa19b 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -491,18 +491,16 @@ u32 ip_idents_reserve(u32 hash, int segs)
atomic_t *p_id = ip_idents + hash % IP_IDENTS_SZ;
u32 old = READ_ONCE(*p_tstamp);
u32 now = (u32)jiffies;
- u32 new, delta = 0;
+ u32 delta = 0;
if (old != now && cmpxchg(p_tstamp, old, now) == old)
delta = prandom_u32_max(now - old);
- /* Do not use atomic_add_return() as it makes UBSAN unhappy */
- do {
- old = (u32)atomic_read(p_id);
- new = old + delta + segs;
- } while (atomic_cmpxchg(p_id, old, new) != old);
-
- return new - segs;
+ /* If UBSAN reports an error there, please make sure your compiler
+ * supports -fno-strict-overflow before reporting it that was a bug
+ * in UBSAN, and it has been fixed in GCC-8.
+ */
+ return atomic_add_return(segs + delta, p_id) - segs;
}
EXPORT_SYMBOL(ip_idents_reserve);
@@ -915,7 +913,7 @@ void ip_rt_send_redirect(struct sk_buff *skb)
/* Check for load limit; set rate_last to the latest sent
* redirect.
*/
- if (peer->rate_tokens == 0 ||
+ if (peer->n_redirects == 0 ||
time_after(jiffies,
(peer->rate_last +
(ip_rt_redirect_load << peer->n_redirects)))) {