[2/2] powerpc/83xx: Add some error handling in 'quirk_mpc8360e_qe_enet10()'
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Message ID 20200208140920.7652-1-christophe.jaillet@wanadoo.fr
State Under Review
Headers show
  • [1/2] powerpc/83xx: Fix some typo in some warning message
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Context Check Description
snowpatch_ozlabs/needsstable warning Please consider tagging this patch for stable!
snowpatch_ozlabs/checkpatch success total: 0 errors, 0 warnings, 0 checks, 20 lines checked
snowpatch_ozlabs/build-pmac32 success Build succeeded
snowpatch_ozlabs/build-ppc64e success Build succeeded
snowpatch_ozlabs/build-ppc64be success Build succeeded
snowpatch_ozlabs/build-ppc64le success Build succeeded
snowpatch_ozlabs/apply_patch success Successfully applied on branch powerpc/merge (a5bc6e124219546a81ce334dc9b16483d55e9abf)

Commit Message

Christophe JAILLET Feb. 8, 2020, 2:09 p.m. UTC
In some error handling path, we should call "of_node_put(np_par)" or
some resource may be leaking in case of error.

Fixes: 8159df72d43e ("83xx: add support for the kmeter1 board.")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
 arch/powerpc/platforms/83xx/km83xx.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

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diff --git a/arch/powerpc/platforms/83xx/km83xx.c b/arch/powerpc/platforms/83xx/km83xx.c
index 306be75faec7..bcdc2c203ec9 100644
--- a/arch/powerpc/platforms/83xx/km83xx.c
+++ b/arch/powerpc/platforms/83xx/km83xx.c
@@ -60,10 +60,12 @@  static void quirk_mpc8360e_qe_enet10(void)
 	ret = of_address_to_resource(np_par, 0, &res);
 	if (ret) {
 		pr_warn("%s couldn't map par_io registers\n", __func__);
-		return;
+		goto out;
 	base = ioremap(res.start, resource_size(&res));
+	if (!base)
+		goto out;
 	 * set output delay adjustments to default values according
@@ -111,6 +113,7 @@  static void quirk_mpc8360e_qe_enet10(void)
 		setbits32((base + 0xac), 0x0000c000);