spmi: Fix sandbox spmi driver memory corruption
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>
Tested-by: Stephen Warren <swarren@nvidia.com>
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_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 {