diff mbox series

[Concept,16/26] fs: ext4l: Allocate fs_context

Message ID 20251222115639.700578-17-sjg@u-boot.org
State New
Headers
Series fs: ext4l: Add support for mounting ext4 filesystems (part G) |

Commit Message

Simon Glass Dec. 22, 2025, 11:56 a.m. UTC 
  From: Simon Glass <simon.glass@canonical.com>

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>
---

 fs/ext4l/interface.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/fs/ext4l/interface.c b/fs/ext4l/interface.c
index 792928b4b6c..b653b7ef981 100644
--- a/fs/ext4l/interface.c
+++ b/fs/ext4l/interface.c
@@ -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: