linux-kernel - [PATCH] ALSA: trident: Delete an error message for a failed memory allocation in snd_trident_tlb

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Date:   Sat, 12 Aug 2017 13:31:55 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     alsa-devel@...a-project.org, Bhumika Goyal <bhumirks@...il.com>,
        Fabian Frederick <fabf@...net.be>,
        Jaroslav Kysela <perex@...ex.cz>,
        Julia Lawall <Julia.Lawall@...6.fr>,
        Takashi Iwai <tiwai@...e.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH] ALSA: trident: Delete an error message for a failed memory
 allocation in snd_trident_tlb_alloc()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Sat, 12 Aug 2017 13:20:16 +0200

Omit an extra message for a memory allocation failure in this function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 sound/pci/trident/trident_main.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/sound/pci/trident/trident_main.c b/sound/pci/trident/trident_main.c
index 64d3b8eba4bb..0eca3c370990 100644
--- a/sound/pci/trident/trident_main.c
+++ b/sound/pci/trident/trident_main.c
@@ -3363,11 +3363,9 @@ static int snd_trident_tlb_alloc(struct snd_trident *trident)
 	trident->tlb.entries_dmaaddr = ALIGN(trident->tlb.buffer.addr, SNDRV_TRIDENT_MAX_PAGES * 4);
 	/* allocate shadow TLB page table (virtual addresses) */
 	trident->tlb.shadow_entries = vmalloc(SNDRV_TRIDENT_MAX_PAGES*sizeof(unsigned long));
-	if (trident->tlb.shadow_entries == NULL) {
-		dev_err(trident->card->dev,
-			"unable to allocate shadow TLB entries\n");
+	if (!trident->tlb.shadow_entries)
 		return -ENOMEM;
-	}
+
 	/* allocate and setup silent page and initialise TLB entries */
 	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(trident->pci),
 				SNDRV_TRIDENT_PAGE_SIZE, &trident->tlb.silent_page) < 0) {
-- 
2.14.0