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Fix potential unsigned overflow in calculations

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Signed-off-by: Jan Musial <jan.musial@intel.com>
This commit is contained in:
Jan Musial 2022-03-30 08:24:39 +02:00
parent a64fc61413
commit d1bd32add9
1 changed files with 1 additions and 1 deletions
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2
src/metadata/metadata.c
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@ -316,7 +316,7 @@ static int ocf_metadata_calculate_metadata_size(
/* Cache size in bytes */
diff_lines = ctrl->device_lines * line_size;
/* Sub metadata size which is in 4 kiB unit */
diff_lines -= count_pages * PAGE_SIZE;
diff_lines -= (int64_t)count_pages * PAGE_SIZE;
/* Convert back to cache lines */
diff_lines /= line_size;
/* Calculate difference */