diff options
| -rw-r--r-- | lib/vsprintf.c | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/lib/vsprintf.c b/lib/vsprintf.c index 7830576018c..1b60aedab44 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -604,26 +604,37 @@ static char *resource_string(char *buf, char *end, struct resource *res, #ifndef MEM_RSRC_PRINTK_SIZE #define MEM_RSRC_PRINTK_SIZE 10 #endif - struct printf_spec num_spec = { + struct printf_spec hex_spec = { .base = 16, .precision = -1, .flags = SPECIAL | SMALL | ZEROPAD, }; - /* room for the actual numbers, the two "0x", -, [, ] and the final zero */ - char sym[4*sizeof(resource_size_t) + 8]; + struct printf_spec dec_spec = { + .base = 10, + .precision = -1, + .flags = 0, + }; + /* room for two actual numbers (decimal or hex), the two "0x", -, [, ] + * and the final zero */ + char sym[2*3*sizeof(resource_size_t) + 8]; char *p = sym, *pend = sym + sizeof(sym); - int size = -1; + int size = -1, addr = 0; - if (res->flags & IORESOURCE_IO) + if (res->flags & IORESOURCE_IO) { size = IO_RSRC_PRINTK_SIZE; - else if (res->flags & IORESOURCE_MEM) + addr = 1; + } else if (res->flags & IORESOURCE_MEM) { size = MEM_RSRC_PRINTK_SIZE; + addr = 1; + } *p++ = '['; - num_spec.field_width = size; - p = number(p, pend, res->start, num_spec); - *p++ = '-'; - p = number(p, pend, res->end, num_spec); + hex_spec.field_width = size; + p = number(p, pend, res->start, addr ? hex_spec : dec_spec); + if (res->start != res->end) { + *p++ = '-'; + p = number(p, pend, res->end, addr ? hex_spec : dec_spec); + } *p++ = ']'; *p = 0; |