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fs: ext4l: Allocate fs_context

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Add allocation of fs_context structure which will be needed for
mounting the filesystem via ext4_fill_super().

Co-developed-by: Claude Opus 4.5 <noreply@anthropic.com>
Signed-off-by: Simon Glass <simon.glass@canonical.com>
This commit is contained in:
Simon Glass
2025-12-21 14:00:33 -07:00
parent aec7912398
commit 008c189904
1 changed files with 12 additions and 1 deletions
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13
fs/ext4l/interface.c
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@@ -27,6 +27,7 @@ int ext4l_probe(struct blk_desc *fs_dev_desc,
struct disk_partition *fs_partition)
{
struct super_block *sb;
struct fs_context *fc;
loff_t part_offset;
__le16 *magic;
u8 *buf;
@@ -74,10 +75,17 @@ int ext4l_probe(struct blk_desc *fs_dev_desc,
goto err_free_bdev;
}
/* Allocate fs_context */
fc = kzalloc(sizeof(struct fs_context), GFP_KERNEL);
if (!fc) {
ret = -ENOMEM;
goto err_free_mapping;
}
buf = malloc(BLOCK_SIZE + 512);
if (!buf) {
ret = -ENOMEM;
goto err_free_mapping;
goto err_free_fc;
}
/* Calculate partition offset in bytes */
@@ -105,6 +113,7 @@ int ext4l_probe(struct blk_desc *fs_dev_desc,
memcpy(&ext4l_part, fs_partition, sizeof(ext4l_part));
free(buf);
kfree(fc);
kfree(sb->s_bdev->bd_mapping);
kfree(sb->s_bdev);
kfree(sb);
@@ -113,6 +122,8 @@ int ext4l_probe(struct blk_desc *fs_dev_desc,
err_free_buf:
free(buf);
err_free_fc:
kfree(fc);
err_free_mapping:
kfree(sb->s_bdev->bd_mapping);
err_free_bdev: