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tools: iio: Set caller's ci_array pointer to NULL after free

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On error, caller's ci_array is freed and set to NULL to avoid
potential double free if some other user of this code is not
sufficiently careful. Counter is reset to zero for consistency.

Signed-off-by: Joo Aun Saw <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>
This commit is contained in:
Joo Aun Saw 2015-07-25 01:23:28 +10:00 • committed by Jonathan Cameron
commit 6b20f40679
1 changed files with 2 additions and 0 deletions
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2
tools/iio/iio_utils.c
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@ -526,6 +526,8 @@ error_cleanup_array:
free((*ci_array)[i].generic_name);
}
free(*ci_array);
*ci_array = NULL;
*counter = 0;
error_close_dir:
if (dp)
if (closedir(dp) == -1)