linux-kernel - [PATCH 2/2] powerpc/powernv/vas: Return directly after a failed kasprintf() in map_paste

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Date: Sat, 23 Dec 2023 20:22:19 +0100
From: Markus Elfring <Markus.Elfring@....de>
To: linuxppc-dev@...ts.ozlabs.org, kernel-janitors@...r.kernel.org,
 "Aneesh Kumar K.V" <aneesh.kumar@...nel.org>,
 Christophe Leroy <christophe.leroy@...roup.eu>,
 Michael Ellerman <mpe@...erman.id.au>,
 "Naveen N. Rao" <naveen.n.rao@...ux.ibm.com>,
 Nicholas Piggin <npiggin@...il.com>
Cc: LKML <linux-kernel@...r.kernel.org>, cocci@...ia.fr
Subject: [PATCH 2/2] powerpc/powernv/vas: Return directly after a failed
 kasprintf() in map_paste_region()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Sat, 23 Dec 2023 19:48:09 +0100

Return directly after a call of the function “kasprintf” failed
at the beginning.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 arch/powerpc/platforms/powernv/vas-window.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/powernv/vas-window.c b/arch/powerpc/platforms/powernv/vas-window.c
index b51219b4b698..2f7d1850b1fa 100644
--- a/arch/powerpc/platforms/powernv/vas-window.c
+++ b/arch/powerpc/platforms/powernv/vas-window.c
@@ -78,7 +78,7 @@ static void *map_paste_region(struct pnv_vas_window *txwin)
 	name = kasprintf(GFP_KERNEL, "window-v%d-w%d", txwin->vinst->vas_id,
 				txwin->vas_win.winid);
 	if (!name)
-		goto free_name;
+		return ERR_PTR(-ENOMEM);

 	txwin->paste_addr_name = name;
 	vas_win_paste_addr(txwin, &start, &len);
--
2.43.0