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alpha: Replace strncmp with str_has_prefix 

In commit b6b2735514
("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>
This commit is contained in:
Chuhong Yuan 2019-07-30 11:02:39 +08:00 committed by Matt Turner
parent 5bea3044a7
commit 5f14596e55
2 changed files with 2 additions and 2 deletions
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2
arch/alpha/boot/tools/objstrip.c
View File

@ -148,7 +148,7 @@ main (int argc, char *argv[])
#ifdef __ELF__ #ifdef __ELF__
elf = (struct elfhdr *) buf; 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) { if (elf->e_type != ET_EXEC) {
fprintf(stderr, "%s: %s is not an ELF executable\n", fprintf(stderr, "%s: %s is not an ELF executable\n",
prog_name, inname); prog_name, inname);

2
arch/alpha/kernel/setup.c
View File

@ -474,7 +474,7 @@ setup_arch(char **cmdline_p)
#ifndef alpha_using_srm #ifndef alpha_using_srm
/* Assume that we've booted from SRM if we haven't booted from MILO. /* 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. */ 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 #endif
#ifndef alpha_using_qemu #ifndef alpha_using_qemu
/* Similarly, look for QEMU. */ /* Similarly, look for QEMU. */