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fs: ext2: Fix potential integer overflow in disk access size calculation

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Cast sector_count and sector_size to uint64_t to prevent potential
integer overflow when calculating total device size in
disk_access_device_size().

Fixes Coverity issue CID-322647

Signed-off-by: Benjamin Cabé <benjamin@zephyrproject.org>
This commit is contained in:
Benjamin Cabé 2025-01-30 10:45:58 +01:00 • committed by Benjamin Cabé
commit 7c6d3a6f93
1 changed files with 1 additions and 1 deletions
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subsys/fs/ext2/ext2_disk_access.c
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@ -23,7 +23,7 @@ static int64_t disk_access_device_size(struct ext2_data *fs)
{ {
struct disk_data *disk = fs->backend; struct disk_data *disk = fs->backend;
return disk->sector_count * disk->sector_size; return (uint64_t)disk->sector_count * (uint64_t)disk->sector_size;
} }
static int64_t disk_access_write_size(struct ext2_data *fs) static int64_t disk_access_write_size(struct ext2_data *fs)