Commit 2d9f69bc authored Mar 10, 2021 by Laurent Dufour Committed by Michael Ellerman Mar 29, 2021

cxl: don't manipulate the mm.mm_users field directly



It is better to rely on the API provided by the MM layer instead of
directly manipulating the mm_users field.

Signed-off-by: Laurent Dufour <ldufour@linux.ibm.com>
Acked-by: Frederic Barrat <fbarrat@linux.ibm.com>
Acked-by: Andrew Donnellan <ajd@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210310174405.51044-1-ldufour@linux.ibm.com

parent d943bc74

drivers/misc/cxl/fault.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -200,7 +200,7 @@ static struct mm_struct get_mem_context(struct cxl_context ctx)
		if (ctx->mm == NULL)
		return NULL;

		if (!atomic_inc_not_zero(&ctx->mm->mm_users))
		if (!mmget_not_zero(ctx->mm))
		return NULL;

		return ctx->mm;