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cppcheck: resolve double free

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The double free reported for the realloc() failure branch is a
false positive.  It should be resolved in cppcheck 2.4 but for
the benefit of older versions we supress the warning.

    https://trac.cppcheck.net/ticket/9292

Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #11508
This commit is contained in:
Brian Behlendorf 2021-01-22 16:17:16 -08:00 committed by Tony Hutter
parent 33fa3985a9
commit 1a4030b1b5
1 changed files with 1 additions and 0 deletions
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lib/libefi/rdwr_efi.c
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@ -468,6 +468,7 @@ efi_alloc_and_read(int fd, struct dk_gpt **vtoc)
(int) sizeof (struct dk_part) * (vptr->efi_nparts - 1);
nparts = vptr->efi_nparts;
if ((tmp = realloc(vptr, length)) == NULL) {
/* cppcheck-suppress doubleFree */
free(vptr);
*vtoc = NULL;
return (VT_ERROR);