On 12/9/2021 4:27 PM, Sean Morrissey wrote:
Assign 'left' variable only after null check on 'size'
as function returns if 'size' is null.

Coverity issue: 374381
Fixes: 169a9fed1f4 ("app/testpmd: fix hex string parser support for flow API")
Cc: sta...@dpdk.org
Cc: wei.zh...@intel.com

Signed-off-by: Sean Morrissey <sean.morris...@intel.com>
---
  app/test-pmd/cmdline_flow.c | 3 ++-
  1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/test-pmd/cmdline_flow.c b/app/test-pmd/cmdline_flow.c
index bbe3dc0115..5bb7abcced 100644
--- a/app/test-pmd/cmdline_flow.c
+++ b/app/test-pmd/cmdline_flow.c
@@ -7702,7 +7702,6 @@ parse_string(struct context *ctx, const struct token 
*token,
  static int
  parse_hex_string(const char *src, uint8_t *dst, uint32_t *size)
  {
-       uint32_t left = *size;
        const uint8_t *head = dst;
/* Check input parameters */
@@ -7712,6 +7711,8 @@ parse_hex_string(const char *src, uint8_t *dst, uint32_t 
*size)
                (*size == 0))
                return -1;
+ uint32_t left = *size;
+

Hi Sean,

Change looks good but can you please move variable declaration to the beginning
of the scope, like:

  uint32_t left;

  <null checks>

  left = *size;


With above change,
Reviewed-by: Ferruh Yigit <ferruh.yi...@intel.com>

Please keep the tag in next version.

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