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modbus: initialize return variable.

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Currently, when disabling CONFIG_MODBUS_FP_EXTENSIONS,return variable
'err'  is not initialized (at least not for debug builds) but later on
checked.

Signed-off-by: Stephan Gatzka <stephan.gatzka@gmail.com>
This commit is contained in:
Stephan Gatzka 2025-01-14 15:26:24 +01:00 committed by Benjamin Cabé
parent 3936470973
commit bda1970b33
1 changed files with 2 additions and 2 deletions
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4
subsys/modbus/modbus_server.c
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@ -309,7 +309,7 @@ static bool mbs_fc03_hreg_read(struct modbus_context *ctx)
const uint16_t regs_limit = 125;
const uint8_t request_len = 4;
uint8_t *presp;
uint16_t err;
uint16_t err = 0;
uint16_t reg_addr;
uint16_t reg_qty;
uint16_t num_bytes;
@ -421,7 +421,7 @@ static bool mbs_fc04_inreg_read(struct modbus_context *ctx)
const uint16_t regs_limit = 125;
const uint8_t request_len = 4;
uint8_t *presp;
int err;
int err = 0;
uint16_t reg_addr;
uint16_t reg_qty;
uint16_t num_bytes;