[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [xen staging] xen/memory: Fix compat XENMEM_acquire_resource for size requests
commit 414be7b66349e7dca42bc1fd47c2b2f5b2d27432 Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> AuthorDate: Tue Jul 28 11:23:54 2020 +0100 Commit: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> CommitDate: Tue Jan 12 18:17:02 2021 +0000 xen/memory: Fix compat XENMEM_acquire_resource for size requests Copy the nr_frames from the structure which actually has the correct value, so the caller doesn't unconditionally receive 0. Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> Reviewed-by: Paul Durrant <paul@xxxxxxx> --- xen/common/compat/memory.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/common/compat/memory.c b/xen/common/compat/memory.c index 3851f756c7..ed92e05b08 100644 --- a/xen/common/compat/memory.c +++ b/xen/common/compat/memory.c @@ -599,7 +599,7 @@ int compat_memory_op(unsigned int cmd, XEN_GUEST_HANDLE_PARAM(void) compat) if ( __copy_field_to_guest( guest_handle_cast(compat, compat_mem_acquire_resource_t), - &cmp.mar, nr_frames) ) + nat.mar, nr_frames) ) return -EFAULT; } else -- generated by git-patchbot for /home/xen/git/xen.git#staging
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