From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 6 Mar 2012 19:33:22 +0000 (-0500)
Subject: aio: don't bother with async freeing on failure in ioctx_alloc()
X-Git-Tag: Ubuntu-5.13.0-19.19~25117^2~46
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=e23754f880f10124f0a2848f9d17e361a295378e;p=mirror_ubuntu-jammy-kernel.git

aio: don't bother with async freeing on failure in ioctx_alloc()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/fs/aio.c b/fs/aio.c
index b9d64d89a043..d09b56090aa5 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -248,6 +248,7 @@ static struct kioctx *ioctx_alloc(unsigned nr_events)
 	struct mm_struct *mm;
 	struct kioctx *ctx;
 	int did_sync = 0;
+	int err = -ENOMEM;
 
 	/* Prevent overflows */
 	if ((nr_events > (0x10000000U / sizeof(struct io_event))) ||
@@ -310,16 +311,13 @@ static struct kioctx *ioctx_alloc(unsigned nr_events)
 	return ctx;
 
 out_cleanup:
-	__put_ioctx(ctx);
-	return ERR_PTR(-EAGAIN);
-
+	err = -EAGAIN;
+	aio_free_ring(ctx);
 out_freectx:
 	mmdrop(mm);
 	kmem_cache_free(kioctx_cachep, ctx);
-	ctx = ERR_PTR(-ENOMEM);
-
-	dprintk("aio: error allocating ioctx %p\n", ctx);
-	return ctx;
+	dprintk("aio: error allocating ioctx %d\n", err);
+	return ERR_PTR(err);
 }
 
 /* aio_cancel_all