[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [xen stable-4.17] x86/mem_sharing: Release domain if we are not able to enable memory sharing
commit 32c3403e4c1ce5522e08e554b9e404f2c9fd0908 Author: Frediano Ziglio <frediano.ziglio@xxxxxxxxx> AuthorDate: Wed Dec 6 10:46:01 2023 +0100 Commit: Jan Beulich <jbeulich@xxxxxxxx> CommitDate: Wed Dec 6 10:46:01 2023 +0100 x86/mem_sharing: Release domain if we are not able to enable memory sharing In case it's not possible to enable memory sharing (mem_sharing_control fails) we just return the error code without releasing the domain acquired some lines above by rcu_lock_live_remote_domain_by_id(). Fixes: 72f8d45d69b8 ("x86/mem_sharing: enable mem_sharing on first memop") Signed-off-by: Frediano Ziglio <frediano.ziglio@xxxxxxxxx> Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> Acked-by: Tamas K Lengyel <tamas@xxxxxxxxxxxxx> master commit: fbcec32d6d3ea0ac329301925b317478316209ed master date: 2023-11-27 12:06:13 +0000 --- xen/arch/x86/mm/mem_sharing.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/arch/x86/mm/mem_sharing.c b/xen/arch/x86/mm/mem_sharing.c index 90ffb10401..af72008d6a 100644 --- a/xen/arch/x86/mm/mem_sharing.c +++ b/xen/arch/x86/mm/mem_sharing.c @@ -2018,7 +2018,7 @@ int mem_sharing_memop(XEN_GUEST_HANDLE_PARAM(xen_mem_sharing_op_t) arg) if ( !mem_sharing_enabled(d) && (rc = mem_sharing_control(d, true, 0)) ) - return rc; + goto out; switch ( mso.op ) { -- generated by git-patchbot for /home/xen/git/xen.git#stable-4.17
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