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authorAndrew Scull <ascull@google.com>2022-04-03 10:39:14 +0000
committerTom Rini <trini@konsulko.com>2022-04-29 11:11:36 -0400
commit7f58feae3fba07c349fe57e86ce8bd5cc2198f58 (patch)
tree5fc8c90e9205fce29a46d7eef8e6cfe9129cddf9 /test/dm
parent49209da54f9580c80e96b5a33351d24d59599926 (diff)
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test: Fix pointer overrun in dm_test_devm_regmap()
This tests calls regmap_read() which takes a uint pointer as an output parameter. The test was passing a pointer to a u16 which resulted in an overflow when the output was written. Fix this by following the regmap_read() API and passing a uint pointer instead. Signed-off-by: Andrew Scull <ascull@google.com> Cc: Simon Glass <sjg@chromium.org> Cc: Heinrich Schuchardt <xypron.glpk@gmx.de> Cc: Jean-Jacques Hiblot <jjhiblot@ti.com> Cc: Pratyush Yadav <p.yadav@ti.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'test/dm')
-rw-r--r--test/dm/regmap.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/test/dm/regmap.c b/test/dm/regmap.c
index 04bb164..8560f2a 100644
--- a/test/dm/regmap.c
+++ b/test/dm/regmap.c
@@ -286,8 +286,7 @@ U_BOOT_DRIVER(regmap_test) = {
static int dm_test_devm_regmap(struct unit_test_state *uts)
{
int i = 0;
- u16 val;
- void *valp = &val;
+ uint val;
u16 pattern[REGMAP_TEST_BUF_SZ];
u16 *buffer;
struct udevice *dev;
@@ -311,7 +310,7 @@ static int dm_test_devm_regmap(struct unit_test_state *uts)
ut_assertok(regmap_write(priv->cfg_regmap, i, pattern[i]));
}
for (i = 0; i < REGMAP_TEST_BUF_SZ; i++) {
- ut_assertok(regmap_read(priv->cfg_regmap, i, valp));
+ ut_assertok(regmap_read(priv->cfg_regmap, i, &val));
ut_asserteq(val, buffer[i]);
ut_asserteq(val, pattern[i]);
}
@@ -319,9 +318,9 @@ static int dm_test_devm_regmap(struct unit_test_state *uts)
ut_asserteq(-ERANGE, regmap_write(priv->cfg_regmap, REGMAP_TEST_BUF_SZ,
val));
ut_asserteq(-ERANGE, regmap_read(priv->cfg_regmap, REGMAP_TEST_BUF_SZ,
- valp));
+ &val));
ut_asserteq(-ERANGE, regmap_write(priv->cfg_regmap, -1, val));
- ut_asserteq(-ERANGE, regmap_read(priv->cfg_regmap, -1, valp));
+ ut_asserteq(-ERANGE, regmap_read(priv->cfg_regmap, -1, &val));
return 0;
}