From 96edf83c4e284c08584f97623f7c7f029759459e Mon Sep 17 00:00:00 2001 From: Jesper Juhl Date: Tue, 3 May 2005 14:38:09 -0700 Subject: [PATCH] [PPP]: remove redundant NULL pointer checks before kfree & vfree kfree() and vfree() can both deal with NULL pointers. This patch removes redundant NULL pointer checks from the ppp code in drivers/net/ Signed-off-by: Jesper Juhl Signed-off-by: David S. Miller --- drivers/net/ppp_deflate.c | 6 ++---- drivers/net/ppp_generic.c | 12 ++++-------- 2 files changed, 6 insertions(+), 12 deletions(-) diff --git a/drivers/net/ppp_deflate.c b/drivers/net/ppp_deflate.c index 507d6328d4eb..3872088fdd10 100644 --- a/drivers/net/ppp_deflate.c +++ b/drivers/net/ppp_deflate.c @@ -87,8 +87,7 @@ static void z_comp_free(void *arg) if (state) { zlib_deflateEnd(&state->strm); - if (state->strm.workspace) - vfree(state->strm.workspace); + vfree(state->strm.workspace); kfree(state); } } @@ -308,8 +307,7 @@ static void z_decomp_free(void *arg) if (state) { zlib_inflateEnd(&state->strm); - if (state->strm.workspace) - kfree(state->strm.workspace); + kfree(state->strm.workspace); kfree(state); } } diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c index c456dc81b873..3b377f6cd4a0 100644 --- a/drivers/net/ppp_generic.c +++ b/drivers/net/ppp_generic.c @@ -2467,14 +2467,10 @@ static void ppp_destroy_interface(struct ppp *ppp) skb_queue_purge(&ppp->mrq); #endif /* CONFIG_PPP_MULTILINK */ #ifdef CONFIG_PPP_FILTER - if (ppp->pass_filter) { - kfree(ppp->pass_filter); - ppp->pass_filter = NULL; - } - if (ppp->active_filter) { - kfree(ppp->active_filter); - ppp->active_filter = NULL; - } + kfree(ppp->pass_filter); + ppp->pass_filter = NULL; + kfree(ppp->active_filter); + ppp->active_filter = NULL; #endif /* CONFIG_PPP_FILTER */ kfree(ppp);