diff options
| author | Yisheng Xie <xieyisheng1@huawei.com> | 2018-05-31 19:11:25 +0800 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-06-03 20:40:24 +1000 |
| commit | 0abbf2bfdc9dec32e9832aa8d4522a57d698e753 (patch) | |
| tree | 1d28c07d8b4ed9f2fa15d6d44cb5b250d0fcef58 /arch/powerpc/xmon | |
| parent | 2479bfc9bc600dcce7f932d52dcfa8d677c41f93 (diff) | |
powerpc/xmon: use match_string() helper
match_string() returns the index of an array for a matching string,
which can be used instead of open coded variant.
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/xmon')
| -rw-r--r-- | arch/powerpc/xmon/xmon.c | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index c2e9270728c7..d94a41254b11 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -3173,7 +3173,7 @@ skipbl(void) } #define N_PTREGS 44 -static char *regnames[N_PTREGS] = { +static const char *regnames[N_PTREGS] = { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", @@ -3208,18 +3208,17 @@ scanhex(unsigned long *vp) regname[i] = c; } regname[i] = 0; - for (i = 0; i < N_PTREGS; ++i) { - if (strcmp(regnames[i], regname) == 0) { - if (xmon_regs == NULL) { - printf("regs not available\n"); - return 0; - } - *vp = ((unsigned long *)xmon_regs)[i]; - return 1; - } + i = match_string(regnames, N_PTREGS, regname); + if (i < 0) { + printf("invalid register name '%%%s'\n", regname); + return 0; } - printf("invalid register name '%%%s'\n", regname); - return 0; + if (xmon_regs == NULL) { + printf("regs not available\n"); + return 0; + } + *vp = ((unsigned long *)xmon_regs)[i]; + return 1; } /* skip leading "0x" if any */ |