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* [U-Boot] [PATCH] spmi: Fix sandbox spmi driver memory corruption
@ 2016-04-04 17:55 Mateusz Kulikowski
  2016-04-04 18:06 ` Stephen Warren
  2016-04-12  2:29 ` [U-Boot] " Tom Rini
  0 siblings, 2 replies; 3+ messages in thread
From: Mateusz Kulikowski @ 2016-04-04 17:55 UTC (permalink / raw)
  To: u-boot

There is off-by-one error in sandbox_emul_gpio that causes
segfault of certain tests.

EMUL_GPIO_REG_END is the address of last valid (emulated) register.
This patch fixed this (by adding one more element to emulated register array).

Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
---

 drivers/spmi/spmi-sandbox.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/spmi/spmi-sandbox.c b/drivers/spmi/spmi-sandbox.c
index 2f0fea0..980aff2 100644
--- a/drivers/spmi/spmi-sandbox.c
+++ b/drivers/spmi/spmi-sandbox.c
@@ -35,7 +35,8 @@ struct sandbox_emul_fake_regs {
 };
 
 struct sandbox_emul_gpio {
-	struct sandbox_emul_fake_regs r[EMUL_GPIO_REG_END]; /* Fake registers */
+	/* Fake registers - need one more entry as REG_END is valid address. */
+	struct sandbox_emul_fake_regs r[EMUL_GPIO_REG_END + 1];
 };
 
 struct sandbox_spmi_priv {
-- 
2.5.0

^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2016-04-12  2:29 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2016-04-04 17:55 [U-Boot] [PATCH] spmi: Fix sandbox spmi driver memory corruption Mateusz Kulikowski
2016-04-04 18:06 ` Stephen Warren
2016-04-12  2:29 ` [U-Boot] " Tom Rini

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