From: Chuhong Yuan Date: Tue, 30 Jul 2019 03:02:39 +0000 (+0800) Subject: alpha: Replace strncmp with str_has_prefix X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=5f14596e55de458987ee38043019b3d5cd636af1;p=linux.git 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 Signed-off-by: Matt Turner --- diff --git a/arch/alpha/boot/tools/objstrip.c b/arch/alpha/boot/tools/objstrip.c index 825a16f5f6224..08b430d25a315 100644 --- 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 c3934ef703d8f..d1fba112bdb4f 100644 --- 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. */