[PATCH] dm-integrity: set ti->error on memory allocation failure

[Mikulas Patocka <mpatocka@xxxxxxxxxx>]

The dm-integrity target didn't set the error string when memory
allocation failed. This patch fixes it.

Signed-off-by: Mikulas Patocka <mpatocka@xxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx

---
 drivers/md/dm-integrity.c |    3 +++
 1 file changed, 3 insertions(+)

Index: linux-2.6/drivers/md/dm-integrity.c
===================================================================
--- linux-2.6.orig/drivers/md/dm-integrity.c	2025-02-05 18:44:43.000000000 +0100
+++ linux-2.6/drivers/md/dm-integrity.c	2025-02-05 18:50:05.000000000 +0100
@@ -5081,16 +5081,19 @@ try_smaller_buffer:
 
 		ic->recalc_bitmap = dm_integrity_alloc_page_list(n_bitmap_pages);
 		if (!ic->recalc_bitmap) {
+			ti->error = "Could not allocate memory for bitmap";
 			r = -ENOMEM;
 			goto bad;
 		}
 		ic->may_write_bitmap = dm_integrity_alloc_page_list(n_bitmap_pages);
 		if (!ic->may_write_bitmap) {
+			ti->error = "Could not allocate memory for bitmap";
 			r = -ENOMEM;
 			goto bad;
 		}
 		ic->bbs = kvmalloc_array(ic->n_bitmap_blocks, sizeof(struct bitmap_block_status), GFP_KERNEL);
 		if (!ic->bbs) {
+			ti->error = "Could not allocate memory for bitmap";
 			r = -ENOMEM;
 			goto bad;
 		}