5.4-stable review patch. If anyone has any objections, please let me know.
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From: Mikulas Patocka mpatocka@redhat.com
commit 00204ae3d6712ee053353920e3ce2b00c35ef75b upstream.
The dm-integrity target didn't set the error string when memory allocation failed. This patch fixes it.
Signed-off-by: Mikulas Patocka mpatocka@redhat.com Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/md/dm-integrity.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/drivers/md/dm-integrity.c +++ b/drivers/md/dm-integrity.c @@ -4112,16 +4112,19 @@ 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; }