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misc: cxl: use mmgrab

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Mmgrab was introduced in commit f1f1007644 ("mm: add new mmgrab()
helper") and most of the kernel was updated to use it. Update a
remaining file.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

<smpl>
@@ expression e; @@
- atomic_inc(&e->mm_count);
+ mmgrab(e);
</smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Acked-by: Andrew Donnellan <ajd@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1577634178-22530-2-git-send-email-Julia.Lawall@inria.fr
This commit is contained in:
Julia Lawall 2019-12-29 16:42:55 +01:00 committed by Michael Ellerman
parent c55d7b5e64
commit 30e813cf46
1 changed files with 1 additions and 1 deletions
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2
drivers/misc/cxl/context.c
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@ -352,7 +352,7 @@ void cxl_context_free(struct cxl_context *ctx)
void cxl_context_mm_count_get(struct cxl_context *ctx)
{
if (ctx->mm)
atomic_inc(&ctx->mm->mm_count);
mmgrab(ctx->mm);
}
void cxl_context_mm_count_put(struct cxl_context *ctx)