alpha: Replace strncmp with str_has_prefix

In commit b6b2735514bc
("tracing: Use str_has_prefix() instead of using fixed sizes")
the newly introduced str_has_prefix() was used
to replace error-prone strncmp(str, const, len).
Here fix codes with the same pattern.

Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>

diff --git a/arch/alpha/boot/tools/objstrip.c b/arch/alpha/boot/tools/objstrip.c
index 825a16f..08b430d 100644 (file)
--- a/arch/alpha/boot/tools/objstrip.c
+++ b/arch/alpha/boot/tools/objstrip.c
@@ -148,7 +148,7 @@ main (int argc, char *argv[])
 #ifdef __ELF__
     elf = (struct elfhdr *) buf;
 
-    if (elf->e_ident[0] == 0x7f && strncmp((char *)elf->e_ident + 1, "ELF", 3) == 0) {
+    if (elf->e_ident[0] == 0x7f && str_has_prefix((char *)elf->e_ident + 1, "ELF")) {
        if (elf->e_type != ET_EXEC) {
            fprintf(stderr, "%s: %s is not an ELF executable\n",
                    prog_name, inname);

diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c
index c3934ef..d1fba11 100644 (file)
--- a/arch/alpha/kernel/setup.c
+++ b/arch/alpha/kernel/setup.c
@@ -474,7 +474,7 @@ setup_arch(char **cmdline_p)
 #ifndef alpha_using_srm
        /* Assume that we've booted from SRM if we haven't booted from MILO.
           Detect the later by looking for "MILO" in the system serial nr.  */
-       alpha_using_srm = strncmp((const char *)hwrpb->ssn, "MILO", 4) != 0;
+       alpha_using_srm = !str_has_prefix((const char *)hwrpb->ssn, "MILO");
 #endif
 #ifndef alpha_using_qemu
        /* Similarly, look for QEMU.  */