[PATCH 1/5] ramoops: use persistent_ram_free() instead of kfree() for freeing prz

[Hiraku Toyooka]

persistent_ram_zone(=prz) structures are allocated by
persistent_ram_new(), which includes vmap() or ioremap(). But they
are currently freed by kfree(). We should use persistent_ram_free()
to correct this asymmetry usage.

Signed-off-by: Hiraku Toyooka <hiraku.toyooka.gu@xxxxxxxxxxx>
Cc: Anton Vorontsov <anton@xxxxxxxxxx>
Cc: Colin Cross <ccross@xxxxxxxxxxx>
Cc: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Mark Salyzyn <salyzyn@xxxxxxxxxxx>
Cc: Seiji Aguchi <seiji.aguchi.tr@xxxxxxxxxxx>
Cc: Tony Luck <tony.luck@xxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
 fs/pstore/ram.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index 6c26c4d..6363768 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -567,11 +567,11 @@ fail_buf:
 	kfree(cxt->pstore.buf);
 fail_clear:
 	cxt->pstore.bufsize = 0;
-	kfree(cxt->mprz);
+	persistent_ram_free(cxt->mprz);
 fail_init_mprz:
-	kfree(cxt->fprz);
+	persistent_ram_free(cxt->fprz);
 fail_init_fprz:
-	kfree(cxt->cprz);
+	persistent_ram_free(cxt->cprz);
 fail_init_cprz:
 	ramoops_free_przs(cxt);
 fail_out:

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