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arm_adi_v5: fix return value of mem_ap_read/write for size 0 

Unhandled marginal case produced a warning in Clang static analyzer.

Change-Id: I3e2fc4182fa4f863acfb972b1e7a512fce5bf33a
Signed-off-by: Tomas Vanek <vanekt@fbl.cz>
Suggested-by: Matthias Welwarsky <matthias@welwarsky.de>
Reviewed-on: http://openocd.zylin.com/4357
Tested-by: jenkins
Reviewed-by: Matthias Welwarsky <matthias@welwarsky.de>
compliance_dev
Tomas Vanek 2018-01-18 09:58:55 +01:00
parent 1ac0f5d493
commit dd890d4cad
1 changed files with 2 additions and 2 deletions
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4
src/target/arm_adi_v5.c
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@ -325,7 +325,7 @@ static int mem_ap_write(struct adiv5_ap *ap, const uint8_t *buffer, uint32_t siz
const uint32_t csw_addrincr = addrinc ? CSW_ADDRINC_SINGLE : CSW_ADDRINC_OFF;
uint32_t csw_size;
uint32_t addr_xor;
int retval;
int retval = ERROR_OK;
/* TI BE-32 Quirks mode:
* Writes on big-endian TMS570 behave very strangely. Observed behavior:
@ -455,7 +455,7 @@ static int mem_ap_read(struct adiv5_ap *ap, uint8_t *buffer, uint32_t size, uint
const uint32_t csw_addrincr = addrinc ? CSW_ADDRINC_SINGLE : CSW_ADDRINC_OFF;
uint32_t csw_size;
uint32_t address = adr;
int retval;
int retval = ERROR_OK;
/* TI BE-32 Quirks mode:
* Reads on big-endian TMS570 behave strangely differently than writes.