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authorK. Y. Srinivasan <kys@microsoft.com>2017-09-29 21:09:36 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-10-04 11:25:09 +0200
commit192b2d78722ffea188e5ec6ae5d55010dce05a4b (patch)
treef48582ce3f3c880fa6c57452abe029d66bad04ff /include
parent688cb67839e852740d22cf763e5eafb27d5a6e53 (diff)
download96b-common-192b2d78722ffea188e5ec6ae5d55010dce05a4b.tar.gz
Drivers: hv: vmbus: Fix bugs in rescind handling
This patch addresses the following bugs in the current rescind handling code: 1. Fixes a race condition where we may be invoking hv_process_channel_removal() on an already freed channel. 2. Prevents indefinite wait when rescinding sub-channels by correctly setting the probe_complete state. I would like to thank Dexuan for patiently reviewing earlier versions of this patch and identifying many of the issues fixed here. Greg, please apply this to 4.14-final. Fixes: '54a66265d675 ("Drivers: hv: vmbus: Fix rescind handling")' Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Reviewed-by: Dexuan Cui <decui@microsoft.com> Cc: stable@vger.kernel.org # (4.13 and above) Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/hyperv.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index c458d7b7ad19..6431087816ba 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -1403,7 +1403,7 @@ extern bool vmbus_prep_negotiate_resp(struct icmsg_hdr *icmsghdrp, u8 *buf,
const int *srv_version, int srv_vercnt,
int *nego_fw_version, int *nego_srv_version);
-void hv_process_channel_removal(struct vmbus_channel *channel, u32 relid);
+void hv_process_channel_removal(u32 relid);
void vmbus_setevent(struct vmbus_channel *channel);
/*