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authorTomi Valkeinen <[email protected]>2023-07-19 17:31:37 +0300
committerHans Verkuil <[email protected]>2023-07-25 09:24:30 +0200
commit906a6c1c4561bfe5d819c9beeb82b38bbc256c2a (patch)
tree60a9b442719b537d6b93bf947bed3d58c49b9b83
parentb4f470aef4492315190bca1dadc693f2a52b0fad (diff)
media: i2c: ds90ub913: Fix a warning about use of uninitialized variable
Fix the following warning: drivers/media/i2c/ds90ub913.c:488:9: warning: 'v' may be used uninitialized [-Wmaybe-uninitialized] 488 | ub913_write(priv, UB913_REG_GENERAL_CFG, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 489 | v | UB913_REG_GENERAL_CFG_CRC_ERR_RESET); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/media/i2c/ds90ub913.c:477:12: note: 'v' was declared here 477 | u8 v, v1, v2; | ^ Fix the warning by initializing the variable to 0. Proper error handling here would be somewhat pointless, as we are just printing register values, and the user will see an error about the failed i2c transaction. Fixes: c158d0d4ff15 ("media: i2c: add DS90UB913 driver") Reported-by: Hans Verkuil <[email protected]> Closes: https://lore.kernel.org/all/[email protected]/ Signed-off-by: Tomi Valkeinen <[email protected]> Signed-off-by: Hans Verkuil <[email protected]>
-rw-r--r--drivers/media/i2c/ds90ub913.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/i2c/ds90ub913.c b/drivers/media/i2c/ds90ub913.c
index 4dae5afa9fa9..55be28463ca2 100644
--- a/drivers/media/i2c/ds90ub913.c
+++ b/drivers/media/i2c/ds90ub913.c
@@ -469,7 +469,7 @@ static int ub913_log_status(struct v4l2_subdev *sd)
{
struct ub913_data *priv = sd_to_ub913(sd);
struct device *dev = &priv->client->dev;
- u8 v, v1, v2;
+ u8 v = 0, v1, v2;
ub913_read(priv, UB913_REG_MODE_SEL, &v);
dev_info(dev, "MODE_SEL %#02x\n", v);