linux-kernel - [PATCH 3.18 52/85] bpf: fix references to free_bpf_prog

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Date:   Tue,  7 Aug 2018 20:51:54 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Jakub Kicinski <jakub.kicinski@...ronome.com>,
        Quentin Monnet <quentin.monnet@...ronome.com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 3.18 52/85] bpf: fix references to free_bpf_prog_info() in comments

3.18-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jakub Kicinski <jakub.kicinski@...ronome.com>

[ Upstream commit ab7f5bf0928be2f148d000a6eaa6c0a36e74750e ]

Comments in the verifier refer to free_bpf_prog_info() which
seems to have never existed in tree.  Replace it with
free_used_maps().

Signed-off-by: Jakub Kicinski <jakub.kicinski@...ronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@...ronome.com>
Signed-off-by: Daniel Borkmann <daniel@...earbox.net>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 kernel/bpf/verifier.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -1763,7 +1763,7 @@ static int replace_map_fd_with_map_ptr(s
 			/* hold the map. If the program is rejected by verifier,
 			 * the map will be released by release_maps() or it
 			 * will be used by the valid program until it's unloaded
-			 * and all maps are released in free_bpf_prog_info()
+			 * and all maps are released in free_used_maps()
 			 */
 			atomic_inc(&map->refcnt);
 
@@ -1929,7 +1929,7 @@ free_log_buf:
 free_env:
 	if (!prog->aux->used_maps)
 		/* if we didn't copy map pointers into bpf_prog_info, release
-		 * them now. Otherwise free_bpf_prog_info() will release them.
+		 * them now. Otherwise free_used_maps() will release them.
 		 */
 		release_maps(env);
 	kfree(env);