[PATCH v3 04/10] ext4: Create a var for the number of blocks to allocate

Simon Glass sjg at chromium.org
Sat May 10 15:06:10 CEST 2025


Since this expression might overflow, put it in a variable.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

(no changes since v1)

 fs/ext4/ext4_write.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/ext4/ext4_write.c b/fs/ext4/ext4_write.c
index 8e6179c4a99..86420d1c9d7 100644
--- a/fs/ext4/ext4_write.c
+++ b/fs/ext4/ext4_write.c
@@ -108,9 +108,11 @@ int ext4fs_get_bgdtable(void)
 {
 	int status;
 	struct ext_filesystem *fs = get_fs();
+	size_t alloc_size;
 	int gdsize_total;
 
-	gdsize_total = ROUND(fs->no_blkgrp * fs->gdsize, fs->blksz);
+	alloc_size = fs->no_blkgrp * fs->gdsize;
+	gdsize_total = ROUND(alloc_size, fs->blksz);
 	fs->no_blk_pergdt = gdsize_total / fs->blksz;
 
 	/* allocate memory for gdtable */
-- 
2.43.0



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