sparc: Replace deprecated strcpy() with strscpy() in prom_32.c

strcpy() is deprecated; use strscpy() instead.

No functional changes intended.

Link: https://github.com/KSPP/linux/issues/88
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Reviewed-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: Andreas Larsson <andreas@gaisler.com>

diff --git a/arch/sparc/kernel/prom_32.c b/arch/sparc/kernel/prom_32.c
index a67dd67f10c8d4434d2189ec2d3dcff417dc5271..cd94f1e8d644a1dbf1477175686c3ab5326f7258 100644 (file)
--- a/arch/sparc/kernel/prom_32.c
+++ b/arch/sparc/kernel/prom_32.c
@@ -187,14 +187,16 @@ char * __init build_path_component(struct device_node *dp)
 {
        const char *name = of_get_property(dp, "name", NULL);
        char tmp_buf[64], *n;
+       size_t n_sz;
 
        tmp_buf[0] = '\0';
        __build_path_component(dp, tmp_buf);
        if (tmp_buf[0] == '\0')
-               strcpy(tmp_buf, name);
+               strscpy(tmp_buf, name);
 
-       n = prom_early_alloc(strlen(tmp_buf) + 1);
-       strcpy(n, tmp_buf);
+       n_sz = strlen(tmp_buf) + 1;
+       n = prom_early_alloc(n_sz);
+       strscpy(n, tmp_buf, n_sz);
 
        return n;
 }
@@ -204,13 +206,14 @@ extern void restore_current(void);
 void __init of_console_init(void)
 {
        char *msg = "OF stdout device is: %s\n";
+       const size_t of_console_path_sz = 256;
        struct device_node *dp;
        unsigned long flags;
        const char *type;
        phandle node;
        int skip, tmp, fd;
 
-       of_console_path = prom_early_alloc(256);
+       of_console_path = prom_early_alloc(of_console_path_sz);
 
        switch (prom_vers) {
        case PROM_V0:
@@ -297,7 +300,7 @@ void __init of_console_init(void)
                                prom_printf("No stdout-path in root node.\n");
                                prom_halt();
                        }
-                       strcpy(of_console_path, path);
+                       strscpy(of_console_path, path, of_console_path_sz);
                }
                break;
        }