Hi Krzysztof,
On 2/21/24 09:29, Krzysztof Kozlowski wrote:
On 19/02/2024 15:01, Christophe Kerello wrote:
Check regmap_read return value to avoid to use uninitialized local
variables.
Signed-off-by: Christophe Kerello <christophe.kerello@xxxxxxxxxxx>
---
Changes in v2:
- New patch added
drivers/memory/stm32-fmc2-ebi.c | 128 +++++++++++++++++++++++---------
1 file changed, 94 insertions(+), 34 deletions(-)
...
-static void stm32_fmc2_ebi_save_setup(struct stm32_fmc2_ebi *ebi)
+static int stm32_fmc2_ebi_save_setup(struct stm32_fmc2_ebi *ebi)
{
unsigned int cs;
+ int ret;
for (cs = 0; cs < FMC2_MAX_EBI_CE; cs++) {
- regmap_read(ebi->regmap, FMC2_BCR(cs), &ebi->bcr[cs]);
- regmap_read(ebi->regmap, FMC2_BTR(cs), &ebi->btr[cs]);
- regmap_read(ebi->regmap, FMC2_BWTR(cs), &ebi->bwtr[cs]);
+ ret = regmap_read(ebi->regmap, FMC2_BCR(cs), &ebi->bcr[cs]);
+ if (ret)
+ return ret;
+
+ ret = regmap_read(ebi->regmap, FMC2_BTR(cs), &ebi->btr[cs]);
+ if (ret)
+ return ret;
+
+ ret = regmap_read(ebi->regmap, FMC2_BWTR(cs), &ebi->bwtr[cs]);
+ if (ret)
+ return ret;
These are just:
ret |= regmapr_read()
and one "if (ret)" clause.
Ok, it will be done in V3.
Regards,
Christophe Kerello.
Best regards,
Krzysztof
