From 158a0e45b69254a9ee4d7795e3b98d8c959fb799 Mon Sep 17 00:00:00 2001 From: Jesper Juhl Date: Sun, 24 Apr 2005 18:59:30 -0700 Subject: [PATCH] [SLIP]: Remove redundant NULL pointer checks prior to kfree Signed-off-by: Jesper Juhl Signed-off-by: David S. Miller --- drivers/net/slip.c | 30 ++++++++++++------------------ 1 file changed, 12 insertions(+), 18 deletions(-) diff --git a/drivers/net/slip.c b/drivers/net/slip.c index 4ce52f5f2419..8f7841c0374d 100644 --- a/drivers/net/slip.c +++ b/drivers/net/slip.c @@ -185,15 +185,12 @@ sl_alloc_bufs(struct slip *sl, int mtu) /* Cleanup */ err_exit: #ifdef SL_INCLUDE_CSLIP - if (cbuff) - kfree(cbuff); + kfree(cbuff); if (slcomp) slhc_free(slcomp); #endif - if (xbuff) - kfree(xbuff); - if (rbuff) - kfree(rbuff); + kfree(xbuff); + kfree(rbuff); return err; } @@ -204,13 +201,13 @@ sl_free_bufs(struct slip *sl) void * tmp; /* Free all SLIP frame buffers. */ - if ((tmp = xchg(&sl->rbuff, NULL)) != NULL) - kfree(tmp); - if ((tmp = xchg(&sl->xbuff, NULL)) != NULL) - kfree(tmp); + tmp = xchg(&sl->rbuff, NULL); + kfree(tmp); + tmp = xchg(&sl->xbuff, NULL); + kfree(tmp); #ifdef SL_INCLUDE_CSLIP - if ((tmp = xchg(&sl->cbuff, NULL)) != NULL) - kfree(tmp); + tmp = xchg(&sl->cbuff, NULL); + kfree(tmp); if ((tmp = xchg(&sl->slcomp, NULL)) != NULL) slhc_free(tmp); #endif @@ -297,13 +294,10 @@ static int sl_realloc_bufs(struct slip *sl, int mtu) spin_unlock_bh(&sl->lock); done: - if (xbuff) - kfree(xbuff); - if (rbuff) - kfree(rbuff); + kfree(xbuff); + kfree(rbuff); #ifdef SL_INCLUDE_CSLIP - if (cbuff) - kfree(cbuff); + kfree(cbuff); #endif return err; }