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Fix: Build warnings with different gcc optimization levels in debug mode

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This fix resolves warnings reported during compiling with different gcc
optimization levels in debug mode,

Test tools:
gcc version 4.4.7 20120313 (Red Hat 4.4.7-16) (GCC)
Linux version: 2.6.32-573.18.1.el6.x86_64, Red Hat Enterprise Linux Server release 6.1 (Santiago)

List of warnings:
CFLAGS=-O1 ./configure --enable-debug ;make
../../module/icp/core/kcf_sched.c: In function ‘kcf_aop_done’:
../../module/icp/core/kcf_sched.c:499: error: ‘fg’ may be used uninitialized in this function
../../module/icp/core/kcf_sched.c:499: note: ‘fg’ was declared here

CFLAGS=-Os ./configure --enable-debug ; make
libzfs_dataset.c: In function ‘zfs_prop_set_list’:
libzfs_dataset.c:1575: error: ‘nvl_len’ may be used uninitialized in this function

Signed-off-by: GeLiXin <ge.lixin@zte.com.cn>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #5022
This commit is contained in:
GeLiXin
2016-08-25 16:40:20 +08:00
committed by Brian Behlendorf
parent 67925abb5e
commit c40db193a5
2 changed files with 2 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
module/icp/core/kcf_sched.c
Regular → Executable
+1 -1
View File
@@ -496,7 +496,7 @@ kcf_resubmit_request(kcf_areq_node_t *areq)
kcf_provider_desc_t *new_pd;
crypto_mechanism_t *mech1 = NULL, *mech2 = NULL;
crypto_mech_type_t prov_mt1, prov_mt2;
crypto_func_group_t fg;
crypto_func_group_t fg = 0;
if (!can_resubmit(areq, &mech1, &mech2, &fg))
return (error);