| Message ID | 1505215162-3917-1-git-send-email-himanshujha199640@gmail.com |
|---|---|
| State | Accepted, archived |
| Delegated to: | David Miller |
| Headers | show |
| Series | qed: remove unnecessary call to memset | expand |
-----Original Message----- From: Himanshu Jha [mailto:himanshujha199640@gmail.com] Sent: 12 September 2017 16:49 To: Mintz, Yuval <Yuval.Mintz@cavium.com> Cc: Elior, Ariel <Ariel.Elior@cavium.com>; Dept-Eng Everest Linux L2 <Dept-EngEverestLinuxL2@cavium.com>; netdev@vger.kernel.org; linux-kernel@vger.kernel.org; Himanshu Jha <himanshujha199640@gmail.com> Subject: [PATCH] qed: remove unnecessary call to memset call to memset to assign 0 value immediately after allocating memory with kzalloc is unnecesaary as kzalloc allocates the memory filled with 0 value. Semantic patch used to resolve this issue: @@ expression e,e2; constant c; statement S; @@ e = kzalloc(e2, c); if(e == NULL) S - memset(e, 0, e2); Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com> --- drivers/net/ethernet/qlogic/qed/qed_dcbx.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c index eaca457..8f6ccc0 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c +++ b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c @@ -1244,7 +1244,6 @@ int qed_dcbx_get_config_params(struct qed_hwfn *p_hwfn, if (!dcbx_info) return -ENOMEM; - memset(dcbx_info, 0, sizeof(*dcbx_info)); rc = qed_dcbx_query_params(p_hwfn, dcbx_info, QED_DCBX_OPERATIONAL_MIB); if (rc) { kfree(dcbx_info); -- 2.7.4 Acked-by: Sudarsana Kalluru <sudarsana.kalluru@cavium.com>
From: Himanshu Jha <himanshujha199640@gmail.com> Date: Tue, 12 Sep 2017 16:49:22 +0530 > call to memset to assign 0 value immediately after allocating > memory with kzalloc is unnecesaary as kzalloc allocates the memory > filled with 0 value. > > Semantic patch used to resolve this issue: > > @@ > expression e,e2; constant c; > statement S; > @@ > > e = kzalloc(e2, c); > if(e == NULL) S > - memset(e, 0, e2); > > Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com> Applied.
diff --git a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c index eaca457..8f6ccc0 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c +++ b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c @@ -1244,7 +1244,6 @@ int qed_dcbx_get_config_params(struct qed_hwfn *p_hwfn, if (!dcbx_info) return -ENOMEM; - memset(dcbx_info, 0, sizeof(*dcbx_info)); rc = qed_dcbx_query_params(p_hwfn, dcbx_info, QED_DCBX_OPERATIONAL_MIB); if (rc) { kfree(dcbx_info);
call to memset to assign 0 value immediately after allocating memory with kzalloc is unnecesaary as kzalloc allocates the memory filled with 0 value. Semantic patch used to resolve this issue: @@ expression e,e2; constant c; statement S; @@ e = kzalloc(e2, c); if(e == NULL) S - memset(e, 0, e2); Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com> --- drivers/net/ethernet/qlogic/qed/qed_dcbx.c | 1 - 1 file changed, 1 deletion(-)