| Message ID | 20240911200705.392343-2-axboe@kernel.dk (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | Provide more efficient buffer registration | expand |
diff --git a/io_uring/rsrc.c b/io_uring/rsrc.c index 7d639a996f28..d42114845fac 100644 --- a/io_uring/rsrc.c +++ b/io_uring/rsrc.c @@ -114,6 +114,7 @@ static void io_buffer_unmap(struct io_ring_ctx *ctx, struct io_mapped_ubuf **slo struct io_mapped_ubuf *imu = *slot; unsigned int i; + *slot = NULL; if (imu != &dummy_ubuf) { for (i = 0; i < imu->nr_bvecs; i++) unpin_user_page(imu->bvec[i].bv_page); @@ -121,7 +122,6 @@ static void io_buffer_unmap(struct io_ring_ctx *ctx, struct io_mapped_ubuf **slo io_unaccount_mem(ctx, imu->acct_pages); kvfree(imu); } - *slot = NULL; } static void io_rsrc_put_work(struct io_rsrc_node *node)
No functional changes in this patch, but clearing the slot pointer earlier will be required by a later change. Signed-off-by: Jens Axboe <axboe@kernel.dk> --- io_uring/rsrc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)