fix: M核代码告警清零

【背景】定期M核代码告警清零。

【修改方案】
根据工具扫描结果，对代码告警进行更改。

【影响】
对现有的产品编译不会有影响。

re #I4386N
Signed-off-by: wangchen <253227059@qq.com>

components/fs/fs.c

@@ -331,7 +331,7 @@ ssize_t read(int fd, void *buf, size_t nbyte)
             errno = EINVAL;
             return FS_FAILURE;
         }
-        if (nbyte > 1024) {
+        if (nbyte > 1024) { /* 1024, max random_size */
             nbyte = 1024; /* hks_generate_random: random_size must <= 1024 */
         }
         struct hks_blob key = {HKS_BLOB_TYPE_RAW, (uint8_t *)buf, nbyte};

components/net/lwip-2.1/porting/src/api_shell.c

@@ -329,11 +329,11 @@ LWIP_STATIC int OsPingFunc(u32_t *parg)
     u32_t iecho_len;
     s16_t ip_hlen;
     u32_t forever;
-    u32_t i = 0;
+    u32_t i;
     u32_t succ_cnt = 0;
     u32_t failed_cnt = 0;
     struct timespec start, end;
-    long timout_ms = 0;
+    long timout_ms;
     struct pollfd pfd;
     long rtt;
     int ret = 0;

components/shell/src/base/shmsg.c

@@ -114,12 +114,10 @@ int ShellCmdExec(const char *msgName, const char *cmdString)
     }
 
     uintRet = ShellMsgTypeGet(&cmdParsed, msgName);
-
     if (uintRet != LOS_OK) {
         PRINTK("%s:command not found\n", msgName);
         return -EFAULT;
     } else {
-
         (void)OsCmdExec(&cmdParsed, (char *)cmdString);
     }
     return 0;

components/shell/src/cmds/fullpath.c

@@ -88,11 +88,11 @@ static char *StrNormalizePath(char *fullpath)
     while (*src != '\0') {
         if (*src == '.') {
             if (*(src + 1) == '/') {
-                src += 2;
+                src += 2; /* 2, sizeof "./" */
                 continue;
             } else if (*(src + 1) == '.') {
-                if ((*(src + 2) == '/') || (*(src + 2) == '\0')) {
+                if ((*(src + 2) == '/') || (*(src + 2) == '\0')) { /* 2, 2, offset to check */
-                    src += 2;
+                    src += 2; /* 2, sizeof offset */
                 } else {
                     while ((*src != '\0') && (*src != '/')) {
                         *dest++ = *src++;
@@ -174,7 +174,7 @@ static char *VfsNotAbsolutePath(const char *directory, const char *filename, cha
     /* 2: The position of the path character: / and the end character /0 */
 
     if ((namelen > 1) && (filename[0] == '.') && (filename[1] == '/')) {
-        filename += 2;
+        filename += 2; /* 2, sizeof "./" */
     }
 
     fullpath = (char *)malloc(strlen(directory) + namelen + 2);
@@ -184,8 +184,7 @@ static char *VfsNotAbsolutePath(const char *directory, const char *filename, cha
         return (char *)NULL;
     }
 
-    /* join path and file name */
+    /* 2, sizeof "./", join path and file name */
-
     ret = snprintf_s(fullpath, strlen(directory) + namelen + 2, strlen(directory) + namelen + 1,
                      "%s/%s", directory, filename);
     if (ret < 0) {
@@ -213,7 +212,6 @@ static char *VfsNormalizeFullpath(const char *directory, const char *filename, c
         /* it's a absolute path, use it directly */
 
         fullpath = strdup(filename); /* copy string */
-
         if (fullpath == NULL) {
             *pathname = NULL;
             SetErrno(ENOMEM);
@@ -246,8 +244,7 @@ int VfsNormalizePath(const char *directory, const char *filename, char **pathnam
         return -EINVAL;
     }
 
-    /* 2: The position of the path character: / and the end character /0 */
+    /* 2, The position of the path character: / and the end character /0 */
-
     if ((filename[0] != '/') && (strlen(directory) + namelen + 2 > TEMP_PATH_MAX)) {
         return -ENAMETOOLONG;
     }

kernel/arch/arm/cortex-m33/gcc/TZ/secure/los_secure_context.h

@@ -63,5 +63,3 @@ extern VOID HalSecureContextSaveAsm(OsSecureContext *secureContext);
 #endif /* __cplusplus */
 
 #endif
-
-

kernel/arch/risc-v/nuclei/gcc/los_context.c

@@ -29,7 +29,6 @@
 extern VOID HalHwiInit(VOID);
 
 #define INITIAL_MSTATUS                 ( MSTATUS_MPP | MSTATUS_MPIE | MSTATUS_FS_INITIAL)
-
 #define ALIGN_DOWN(size, align)         ((size) & ~((align) - 1))
 
 #ifdef __cplusplus