ramoops: use persistent_ram_free() instead of kfree() for freeing prz

persistent_ram_zone(=prz) structures are allocated by persistent_ram_new(), which includes vmap() or ioremap(). But they are currently freed by kfree(). This uses persistent_ram_free() for correct this asymmetry usage. Signed-off-by: Hiraku Toyooka <[email protected]> Signed-off-by: Nobuhiro Iwamatsu <[email protected]> Cc: Mark Salyzyn <[email protected]> Cc: Seiji Aguchi <[email protected]> Signed-off-by: Kees Cook <[email protected]>
thoughtpolice · Aug 5, 2016 · e976e56 · e976e56
1 parent 529182e
commit e976e56
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
@@ -643,11 +643,11 @@ static int ramoops_probe(struct platform_device *pdev)
 	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: