diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/dynamic_debug.c | 14 | ||||
| -rw-r--r-- | lib/swiotlb.c | 4 |
2 files changed, 8 insertions, 10 deletions
diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c index 600ac57e2777..7288e38e1757 100644 --- a/lib/dynamic_debug.c +++ b/lib/dynamic_debug.c @@ -268,14 +268,12 @@ static int ddebug_tokenize(char *buf, char *words[], int maxwords) */ static inline int parse_lineno(const char *str, unsigned int *val) { - char *end = NULL; BUG_ON(str == NULL); if (*str == '\0') { *val = 0; return 0; } - *val = simple_strtoul(str, &end, 10); - if (end == NULL || end == str || *end != '\0') { + if (kstrtouint(str, 10, val) < 0) { pr_err("bad line-number: %s\n", str); return -EINVAL; } @@ -348,14 +346,14 @@ static int ddebug_parse_query(char *words[], int nwords, } if (last) *last++ = '\0'; - if (parse_lineno(first, &query->first_lineno) < 0) { - pr_err("line-number is <0\n"); + if (parse_lineno(first, &query->first_lineno) < 0) return -EINVAL; - } if (last) { /* range <first>-<last> */ - if (parse_lineno(last, &query->last_lineno) - < query->first_lineno) { + if (parse_lineno(last, &query->last_lineno) < 0) + return -EINVAL; + + if (query->last_lineno < query->first_lineno) { pr_err("last-line:%d < 1st-line:%d\n", query->last_lineno, query->first_lineno); diff --git a/lib/swiotlb.c b/lib/swiotlb.c index 2e1c102759ce..b604b831f4d1 100644 --- a/lib/swiotlb.c +++ b/lib/swiotlb.c @@ -172,7 +172,7 @@ int __init swiotlb_init_with_tbl(char *tlb, unsigned long nslabs, int verbose) /* * Get the overflow emergency buffer */ - v_overflow_buffer = memblock_virt_alloc_nopanic( + v_overflow_buffer = memblock_virt_alloc_low_nopanic( PAGE_ALIGN(io_tlb_overflow), PAGE_SIZE); if (!v_overflow_buffer) @@ -220,7 +220,7 @@ swiotlb_init(int verbose) bytes = io_tlb_nslabs << IO_TLB_SHIFT; /* Get IO TLB memory from the low pages */ - vstart = memblock_virt_alloc_nopanic(PAGE_ALIGN(bytes), PAGE_SIZE); + vstart = memblock_virt_alloc_low_nopanic(PAGE_ALIGN(bytes), PAGE_SIZE); if (vstart && !swiotlb_init_with_tbl(vstart, io_tlb_nslabs, verbose)) return; |
