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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-12-11 09:10:42 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-12-11 09:10:42 +0100
commite045e18dbf3eaac32cdeb2799a5ec84fa694636c (patch)
treed105f70b32d8d0af07e2c5688849c93d25832933 /fs/btrfs/extent_io.c
parentae5af710f369a4d88792bf1d9da317884156cd87 (diff)
parenta39b6ac3781d46ba18193c9dbb2110f31e9bffe9 (diff)
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Merge 6.7-rc5 into tty-next
We need the serial fixes in here as well to build off of. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/btrfs/extent_io.c')
-rw-r--r--fs/btrfs/extent_io.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 03cef28d9e37..e6230a6ffa98 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -674,8 +674,8 @@ static void end_bio_extent_readpage(struct btrfs_bio *bbio)
* the array will be skipped
*
* Return: 0 if all pages were able to be allocated;
- * -ENOMEM otherwise, and the caller is responsible for freeing all
- * non-null page pointers in the array.
+ * -ENOMEM otherwise, the partially allocated pages would be freed and
+ * the array slots zeroed
*/
int btrfs_alloc_page_array(unsigned int nr_pages, struct page **page_array)
{
@@ -694,8 +694,13 @@ int btrfs_alloc_page_array(unsigned int nr_pages, struct page **page_array)
* though alloc_pages_bulk_array() falls back to alloc_page()
* if it could not bulk-allocate. So we must be out of memory.
*/
- if (allocated == last)
+ if (allocated == last) {
+ for (int i = 0; i < allocated; i++) {
+ __free_page(page_array[i]);
+ page_array[i] = NULL;
+ }
return -ENOMEM;
+ }
memalloc_retry_wait(GFP_NOFS);
}