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tpm2: Avoid compiler warning by using memcpy instead of MemoryCopy (gcc 10.3)

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Fix the following compiler warning from gcc 10.3.0 by using memcpy
instead of MemoryCopy (fixes issue #229).

tpm2/NVDynamic.c: In function 'NvRamGetEnd':
tpm2/NVDynamic.c:378:12: warning: function may return address of local variable [-Wreturn-local-addr]
  378 |     return iter;
      |            ^
tpm2/NVDynamic.c:339:26: note: declared here
  339 |     NV_RAM_HEADER        header;
      |                          ^
tpm2/NVDynamic.c: In function 'NvRamGetIndex':
tpm2/NVDynamic.c:411:12: warning: function may return address of local variable [-Wreturn-local-addr]
  411 |     return currentAddr;
      |            ^
tpm2/NVDynamic.c:339:26: note: declared here
  339 |     NV_RAM_HEADER        header;
      |                          ^

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
This commit is contained in:
Stefan Berger 2021-07-09 15:08:36 -04:00 committed by Stefan Berger
parent 2e6173c273
commit 98b34147ad
1 changed files with 1 additions and 1 deletions
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2
src/tpm2/NVDynamic.c
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@ -352,7 +352,7 @@ NvRamNext(
if(currentAddr + sizeof(NV_RAM_HEADER) > RAM_ORDERLY_END)
return NULL;
// read the header of the next entry
MemoryCopy(&header, currentAddr, sizeof(NV_RAM_HEADER));
memcpy(&header, currentAddr, sizeof(NV_RAM_HEADER)); // libtpms: do not use MemoryCopy to avoid gcc warning
// if the size field is zero, then we have hit the end of the list
if(header.size == 0)
// leave the *iter pointing at the end of the list