[PATCH] net: ethernet: broadcom: Remove null check before kfree

Subsystems: networking drivers, the rest

STALE3340d

2 messages, 2 authors, 2017-08-28 · open the first message on its own page

[PATCH] net: ethernet: broadcom: Remove null check before kfree

From: Himanshu Jha <hidden>
Date: 2017-08-26 20:18:29

Kfree on NULL pointer is a no-op and therefore checking is redundant.

Signed-off-by: Himanshu Jha <redacted>
---
 drivers/net/ethernet/broadcom/sb1250-mac.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/sb1250-mac.c b/drivers/net/ethernet/broadcom/sb1250-mac.c
index 16a0f19..ecdef42 100644
--- a/drivers/net/ethernet/broadcom/sb1250-mac.c
+++ b/drivers/net/ethernet/broadcom/sb1250-mac.c
@@ -1367,15 +1367,11 @@ static int sbmac_initctx(struct sbmac_softc *s)
 
 static void sbdma_uninitctx(struct sbmacdma *d)
 {
-	if (d->sbdma_dscrtable_unaligned) {
-		kfree(d->sbdma_dscrtable_unaligned);
-		d->sbdma_dscrtable_unaligned = d->sbdma_dscrtable = NULL;
-	}
+	kfree(d->sbdma_dscrtable_unaligned);
+	d->sbdma_dscrtable_unaligned = d->sbdma_dscrtable = NULL;
 
-	if (d->sbdma_ctxtable) {
-		kfree(d->sbdma_ctxtable);
-		d->sbdma_ctxtable = NULL;
-	}
+	kfree(d->sbdma_ctxtable);
+	d->sbdma_ctxtable = NULL;
 }
 
 
-- 
2.7.4

Re: [PATCH] net: ethernet: broadcom: Remove null check before kfree

From: David Miller <davem@davemloft.net>
Date: 2017-08-28 22:53:35

From: Himanshu Jha <redacted>
Date: Sun, 27 Aug 2017 01:47:47 +0530
Kfree on NULL pointer is a no-op and therefore checking is redundant.

Signed-off-by: Himanshu Jha <redacted>
Applied.
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