diff options
| -rw-r--r-- | drivers/power/qcom/debug_core.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/power/qcom/debug_core.c b/drivers/power/qcom/debug_core.c index d3620bbbeafa..e9c578f7b75e 100644 --- a/drivers/power/qcom/debug_core.c +++ b/drivers/power/qcom/debug_core.c @@ -1,4 +1,4 @@ -/* Copyright (c) 2014-2015, The Linux Foundation. All rights reserved. +/* Copyright (c) 2014-2016, The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and @@ -22,6 +22,8 @@ #include "soc/qcom/msm-core.h" #define MAX_PSTATES 50 +#define NUM_OF_PENTRY 3 /* number of variables for ptable node */ +#define NUM_OF_EENTRY 2 /* number of variables for enable node */ enum arg_offset { CPU_OFFSET, @@ -131,13 +133,15 @@ static void add_to_ptable(uint64_t *arg) node->ptr->len = node->len; } -static int split_ptable_args(char *line, uint64_t *arg) +static int split_ptable_args(char *line, uint64_t *arg, uint32_t n) { char *args; int i; int ret = 0; - for (i = 0; line; i++) { + for (i = 0; i < n; i++) { + if (!line) + break; args = strsep(&line, " "); ret = kstrtoull(args, 10, &arg[i]); } @@ -163,7 +167,7 @@ static ssize_t msm_core_ptable_write(struct file *file, goto done; } kbuf[len] = '\0'; - ret = split_ptable_args(kbuf, arg); + ret = split_ptable_args(kbuf, arg, NUM_OF_PENTRY); if (!ret) { add_to_ptable(arg); ret = len; @@ -227,7 +231,7 @@ static ssize_t msm_core_enable_write(struct file *file, goto done; } kbuf[len] = '\0'; - ret = split_ptable_args(kbuf, arg); + ret = split_ptable_args(kbuf, arg, NUM_OF_EENTRY); if (ret) goto done; cpu = arg[CPU_OFFSET]; |