diff mbox

Updating id field in backports genl family

Message ID 1527159453-30360-1-git-send-email-aaron.komisar@tandemg.com (mailing list archive)
State Accepted
Headers show

Commit Message

Aaron Komisar May 24, 2018, 10:57 a.m. UTC 
Family ID from the original family struct will be used when building
genl messages (sent as nlmsg_type), so the new id should be updated in
the original (older kernel format) family struct too

Signed-off-by: Aaron Komisar <aaron.komisar@tandemg.com>
---
 backport/compat/backport-4.12.c | 7 +++++++
 1 file changed, 7 insertions(+)
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Patch

diff --git a/backport/compat/backport-4.12.c b/backport/compat/backport-4.12.c
index 2372a11..4948b53 100644
--- a/backport/compat/backport-4.12.c
+++ b/backport/compat/backport-4.12.c
@@ -225,6 +225,13 @@  int bp_extack_genl_register_family(struct genl_family *family)
 	/* copy this since the family might access it directly */
 	family->id = copy->family.id;
 	family->attrbuf = copy->family.attrbuf;
+
+	/* family ID from the original family struct will be used when building
+	 * genl messages (sent as nlmsg_type), so the new id should be updated
+	 * in the original (older kernel format) family struct too
+	 */
+	family->family.id = copy->family.id;
+
 #if LINUX_VERSION_IS_GEQ(3,13,0)
 	family->mcgrp_offset = copy->family.mcgrp_offset;
 #endif