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Update for cppcheck v1.80

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Resolve new warnings and errors from cppcheck v1.80.

* [lib/libshare/libshare.c:543]: (warning)
  Possible null pointer dereference: protocol
* [lib/libzfs/libzfs_dataset.c:2323]: (warning)
  Possible null pointer dereference: srctype
* [lib/libzfs/libzfs_import.c:318]: (error)
  Uninitialized variable: link
* [module/zfs/abd.c:353]: (error) Uninitialized variable: sg
* [module/zfs/abd.c:353]: (error) Uninitialized variable: i
* [module/zfs/abd.c:385]: (error) Uninitialized variable: sg
* [module/zfs/abd.c:385]: (error) Uninitialized variable: i
* [module/zfs/abd.c:553]: (error) Uninitialized variable: i
* [module/zfs/abd.c:553]: (error) Uninitialized variable: sg
* [module/zfs/abd.c:763]: (error) Uninitialized variable: i
* [module/zfs/abd.c:763]: (error) Uninitialized variable: sg
* [module/zfs/abd.c:305]: (error) Uninitialized variable: tmp_page
* [module/zfs/zpl_xattr.c:342]: (warning)
   Possible null pointer dereference: value
* [module/zfs/zvol.c:208]: (error) Uninitialized variable: p

Convert the following suppression to inline.

* [module/zfs/zfs_vnops.c:840]: (error)
  Possible null pointer dereference: aiov

Exclude HAVE_UIO_ZEROCOPY and HAVE_DNLC from analysis since
these macro's will never be defined until this functionality
is implemented.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #6879
This commit is contained in:
Brian Behlendorf
2017-11-18 14:08:00 -08:00
committed by Tony Hutter
parent 7a8bef3983
commit aebc5df418
9 changed files with 23 additions and 50 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/libshare/libshare.c
+4 -33
View File
@@ -493,20 +493,10 @@ int
sa_enable_share(sa_share_t share, char *protocol)
{
sa_share_impl_t impl_share = (sa_share_impl_t)share;
int rc, ret;
boolean_t found_protocol;
int rc, ret = SA_OK;
boolean_t found_protocol = B_FALSE;
sa_fstype_t *fstype;
#ifdef DEBUG
fprintf(stderr, "sa_enable_share: share->sharepath=%s, protocol=%s\n",
impl_share->sharepath, protocol);
#endif
assert(impl_share->handle != NULL);
ret = SA_OK;
found_protocol = B_FALSE;
fstype = fstypes;
while (fstype != NULL) {
if (protocol == NULL || strcmp(fstype->name, protocol) == 0) {
@@ -534,18 +524,10 @@ int
sa_disable_share(sa_share_t share, char *protocol)
{
sa_share_impl_t impl_share = (sa_share_impl_t)share;
int rc, ret;
boolean_t found_protocol;
int rc, ret = SA_OK;
boolean_t found_protocol = B_FALSE;
sa_fstype_t *fstype;
#ifdef DEBUG
fprintf(stderr, "sa_disable_share: share->sharepath=%s, protocol=%s\n",
impl_share->sharepath, protocol);
#endif
ret = SA_OK;
found_protocol = B_FALSE;
fstype = fstypes;
while (fstype != NULL) {
if (protocol == NULL || strcmp(fstype->name, protocol) == 0) {
@@ -696,11 +678,6 @@ sa_parse_legacy_options(sa_group_t group, char *options, char *proto)
{
sa_fstype_t *fstype;
#ifdef DEBUG
fprintf(stderr, "sa_parse_legacy_options: options=%s, proto=%s\n",
options, proto);
#endif
fstype = fstypes;
while (fstype != NULL) {
if (strcmp(fstype->name, proto) != 0) {
@@ -787,12 +764,6 @@ sa_zfs_process_share(sa_handle_t handle, sa_group_t group, sa_share_t share,
sa_handle_impl_t impl_handle = (sa_handle_impl_t)handle;
sa_share_impl_t impl_share = (sa_share_impl_t)share;
#ifdef DEBUG
fprintf(stderr, "sa_zfs_process_share: mountpoint=%s, proto=%s, "
"shareopts=%s, sourcestr=%s, dataset=%s\n", mountpoint, proto,
shareopts, sourcestr, dataset);
#endif
return (process_share(impl_handle, impl_share, mountpoint, NULL,
proto, shareopts, NULL, dataset, B_FALSE));
}