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Date: Sun, 30 Nov 2014 17:47:49 +0100 From: SF Markus Elfring <elfring@...rs.sourceforge.net> To: Paul Mackerras <paulus@...ba.org>, linux-ppp@...r.kernel.org, netdev@...r.kernel.org CC: LKML <linux-kernel@...r.kernel.org>, kernel-janitors@...r.kernel.org, Julia Lawall <julia.lawall@...6.fr> Subject: [PATCH 3/3] net-PPP: Delete an unnecessary assignment From: Markus Elfring <elfring@...rs.sourceforge.net> Date: Sun, 30 Nov 2014 17:17:36 +0100 The data structure element "arc4" was assigned a null pointer by the mppe_alloc() function if a previous function call "crypto_alloc_blkcipher" failed. This assignment became unnecessary with previous source code adjustments. Let us delete it from the affected implementation because the element "arc4" will not be accessible outside the function after the detected allocation failure. Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net> --- drivers/net/ppp/ppp_mppe.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/net/ppp/ppp_mppe.c b/drivers/net/ppp/ppp_mppe.c index 962c1a0..d913bc9 100644 --- a/drivers/net/ppp/ppp_mppe.c +++ b/drivers/net/ppp/ppp_mppe.c @@ -205,10 +205,8 @@ static void *mppe_alloc(unsigned char *options, int optlen) state->arc4 = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); - if (IS_ERR(state->arc4)) { - state->arc4 = NULL; + if (IS_ERR(state->arc4)) goto out_free; - } state->sha1 = crypto_alloc_hash("sha1", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(state->sha1)) { -- 2.1.3 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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