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[PATCH 2/2] audit: fix sparse shadowed variable warnings

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Use msglen as the identifier.
kernel/audit.c:724:10: warning: symbol 'len' shadows an earlier one
kernel/audit.c:575:8: originally declared here

Don't use ino_f to check the inode field at the end of the functions.
kernel/auditfilter.c:429:22: warning: symbol 'f' shadows an earlier one
kernel/auditfilter.c:420:21: originally declared here
kernel/auditfilter.c:542:22: warning: symbol 'f' shadows an earlier one
kernel/auditfilter.c:529:21: originally declared here

i always used as a counter for a for loop and initialized to zero before
use.  Eliminate the inner i variables.
kernel/auditsc.c:1295:8: warning: symbol 'i' shadows an earlier one
kernel/auditsc.c:1152:6: originally declared here
kernel/auditsc.c:1320:7: warning: symbol 'i' shadows an earlier one
kernel/auditsc.c:1152:6: originally declared here

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Harvey Harrison 2008-04-27 02:39:56 -07:00 • committed by Al Viro
parent c782f242f0
commit 7719e437fa
3 changed files with 13 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

10
kernel/audit.c
View file

@ -813,21 +813,21 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
case AUDIT_MAKE_EQUIV: { case AUDIT_MAKE_EQUIV: {
void *bufp = data; void *bufp = data;
u32 sizes[2]; u32 sizes[2];
size_t len = nlmsg_len(nlh); size_t msglen = nlmsg_len(nlh);
char *old, *new; char *old, *new;
err = -EINVAL; err = -EINVAL;
if (len < 2 * sizeof(u32)) if (msglen < 2 * sizeof(u32))
break; break;
memcpy(sizes, bufp, 2 * sizeof(u32)); memcpy(sizes, bufp, 2 * sizeof(u32));
bufp += 2 * sizeof(u32); bufp += 2 * sizeof(u32);
len -= 2 * sizeof(u32); msglen -= 2 * sizeof(u32);
old = audit_unpack_string(&bufp, &len, sizes[0]); old = audit_unpack_string(&bufp, &msglen, sizes[0]);
if (IS_ERR(old)) { if (IS_ERR(old)) {
err = PTR_ERR(old); err = PTR_ERR(old);
break; break;
} }
new = audit_unpack_string(&bufp, &len, sizes[1]); new = audit_unpack_string(&bufp, &msglen, sizes[1]);
if (IS_ERR(new)) { if (IS_ERR(new)) {
err = PTR_ERR(new); err = PTR_ERR(new);
kfree(old); kfree(old);

16
kernel/auditfilter.c
View file

@ -417,7 +417,7 @@ exit_err:
static struct audit_entry *audit_rule_to_entry(struct audit_rule *rule) static struct audit_entry *audit_rule_to_entry(struct audit_rule *rule)
{ {
struct audit_entry *entry; struct audit_entry *entry;
struct audit_field *f; struct audit_field *ino_f;
int err = 0; int err = 0;
int i; int i;
@ -499,9 +499,9 @@ static struct audit_entry *audit_rule_to_entry(struct audit_rule *rule)
} }
} }
f = entry->rule.inode_f; ino_f = entry->rule.inode_f;
if (f) { if (ino_f) {
switch(f->op) { switch(ino_f->op) {
case AUDIT_NOT_EQUAL: case AUDIT_NOT_EQUAL:
entry->rule.inode_f = NULL; entry->rule.inode_f = NULL;
case AUDIT_EQUAL: case AUDIT_EQUAL:
@ -526,7 +526,7 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data,
{ {
int err = 0; int err = 0;
struct audit_entry *entry; struct audit_entry *entry;
struct audit_field *f; struct audit_field *ino_f;
void *bufp; void *bufp;
size_t remain = datasz - sizeof(struct audit_rule_data); size_t remain = datasz - sizeof(struct audit_rule_data);
int i; int i;
@ -654,9 +654,9 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data,
} }
} }
f = entry->rule.inode_f; ino_f = entry->rule.inode_f;
if (f) { if (ino_f) {
switch(f->op) { switch(ino_f->op) {
case AUDIT_NOT_EQUAL: case AUDIT_NOT_EQUAL:
entry->rule.inode_f = NULL; entry->rule.inode_f = NULL;
case AUDIT_EQUAL: case AUDIT_EQUAL:

2
kernel/auditsc.c
View file

@ -1293,7 +1293,6 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts
break; } break; }
case AUDIT_SOCKETCALL: { case AUDIT_SOCKETCALL: {
int i;
struct audit_aux_data_socketcall *axs = (void *)aux; struct audit_aux_data_socketcall *axs = (void *)aux;
audit_log_format(ab, "nargs=%d", axs->nargs); audit_log_format(ab, "nargs=%d", axs->nargs);
for (i=0; i<axs->nargs; i++) for (i=0; i<axs->nargs; i++)
@ -1318,7 +1317,6 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts
for (aux = context->aux_pids; aux; aux = aux->next) { for (aux = context->aux_pids; aux; aux = aux->next) {
struct audit_aux_data_pids *axs = (void *)aux; struct audit_aux_data_pids *axs = (void *)aux;
int i;
for (i = 0; i < axs->pid_count; i++) for (i = 0; i < axs->pid_count; i++)
if (audit_log_pid_context(context, axs->target_pid[i], if (audit_log_pid_context(context, axs->target_pid[i],