auracaster/openocd
3
0
Fork 1
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

helper/binarybuffer: fix clang static analyzer warnings

Browse Source 
Writing bits to an uninitialized buffer generated false warnings.
Zero buffers before setting them by buf_set_u32|64()
(do it only if bit-by-bit copy loop is used,
zeroed buffer is not necessary if a fast path write is used)

Change-Id: I2f7f8ddb45b0cbd08d3e249534fc51f4b5cc6694
Signed-off-by: Tomas Vanek <vanekt@fbl.cz>
Reviewed-on: http://openocd.zylin.com/5383
Tested-by: jenkins
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
This commit is contained in:
Tomas Vanek
2019-12-20 23:56:08 +01:00
parent 4e981bc27c
commit a2e822834d
16 changed files with 40 additions and 37 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
src/target/xscale.c
View File

@@ -129,7 +129,7 @@ static const struct xscale_reg xscale_reg_arch_info[] = {
/* convenience wrapper to access XScale specific registers */
static int xscale_set_reg_u32(struct reg *reg, uint32_t value)
{
uint8_t buf[4];
uint8_t buf[4] = { 0 };
buf_set_u32(buf, 0, 32, value);
@@ -154,7 +154,7 @@ static int xscale_jtag_set_instr(struct jtag_tap *tap, uint32_t new_instr, tap_s
if (buf_get_u32(tap->cur_instr, 0, tap->ir_length) != new_instr) {
struct scan_field field;
uint8_t scratch[4];
uint8_t scratch[4] = { 0 };
memset(&field, 0, sizeof field);
field.num_bits = tap->ir_length;
@@ -514,7 +514,7 @@ static int xscale_send(struct target *target, const uint8_t *buffer, int count,
TAP_IDLE);
static const uint8_t t0;
uint8_t t1[4];
uint8_t t1[4] = { 0 };
static const uint8_t t2 = 1;
struct scan_field fields[3] = {
{ .num_bits = 3, .out_value = &t0 },
@@ -645,8 +645,8 @@ static unsigned int parity(unsigned int v)
static int xscale_load_ic(struct target *target, uint32_t va, uint32_t buffer[8])
{
struct xscale_common *xscale = target_to_xscale(target);
uint8_t packet[4];
uint8_t cmd;
uint8_t packet[4] = { 0 };
uint8_t cmd = 0;
int word;
struct scan_field fields[2];
@@ -699,8 +699,8 @@ static int xscale_load_ic(struct target *target, uint32_t va, uint32_t buffer[8]
static int xscale_invalidate_ic_line(struct target *target, uint32_t va)
{
struct xscale_common *xscale = target_to_xscale(target);
uint8_t packet[4];
uint8_t cmd;
uint8_t packet[4] = { 0 };
uint8_t cmd = 0;
struct scan_field fields[2];
xscale_jtag_set_instr(target->tap,