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authorAmit Pundir <amit.pundir@linaro.org>2017-08-01 10:52:52 +0530
committerAmit Pundir <amit.pundir@linaro.org>2017-08-01 11:26:49 +0530
commitb43282fc74615c71e3a58fa92a4fe62f5374acd6 (patch)
tree54c3e0f148beedd088ddb8e40268cf1c07b3bc08 /net/ipv4/igmp.c
parentf83fb557207250de93aa8882df19acfc7fe7ace7 (diff)
parent37f3f1536a86154b0c1cc2586fa6c513e79a440e (diff)
Merge branch 'linux-linaro-lsk-v3.18' into linux-linaro-lsk-v3.18-androidlsk-v3.18-17.08-android
Conflicts: arch/arm64/kernel/setup.c AOSP Change-Id: I98624593273ae4c90ae299f063d26f35a39a0a31 (upstream commit 12d11817eaaf "arm64: Move /proc/cpuinfo handling code") moved /proc/cpuinfo handling code from arch/arm64/kernel/{setup.c to cpuinfo.c}. Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Diffstat (limited to 'net/ipv4/igmp.c')
-rw-r--r--net/ipv4/igmp.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index bb15d0e03d4f..1ea62ccfa884 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -1080,6 +1080,7 @@ static void igmpv3_add_delrec(struct in_device *in_dev, struct ip_mc_list *im)
pmc = kzalloc(sizeof(*pmc), GFP_KERNEL);
if (!pmc)
return;
+ spin_lock_init(&pmc->lock);
spin_lock_bh(&im->lock);
pmc->interface = im->interface;
in_dev_hold(in_dev);
@@ -1832,21 +1833,26 @@ static int ip_mc_add_src(struct in_device *in_dev, __be32 *pmca, int sfmode,
static void ip_mc_clear_src(struct ip_mc_list *pmc)
{
- struct ip_sf_list *psf, *nextpsf;
+ struct ip_sf_list *psf, *nextpsf, *tomb, *sources;
- for (psf = pmc->tomb; psf; psf = nextpsf) {
+ spin_lock_bh(&pmc->lock);
+ tomb = pmc->tomb;
+ pmc->tomb = NULL;
+ sources = pmc->sources;
+ pmc->sources = NULL;
+ pmc->sfmode = MCAST_EXCLUDE;
+ pmc->sfcount[MCAST_INCLUDE] = 0;
+ pmc->sfcount[MCAST_EXCLUDE] = 1;
+ spin_unlock_bh(&pmc->lock);
+
+ for (psf = tomb; psf; psf = nextpsf) {
nextpsf = psf->sf_next;
kfree(psf);
}
- pmc->tomb = NULL;
- for (psf = pmc->sources; psf; psf = nextpsf) {
+ for (psf = sources; psf; psf = nextpsf) {
nextpsf = psf->sf_next;
kfree(psf);
}
- pmc->sources = NULL;
- pmc->sfmode = MCAST_EXCLUDE;
- pmc->sfcount[MCAST_INCLUDE] = 0;
- pmc->sfcount[MCAST_EXCLUDE] = 1;
}