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59 lines
1.1 KiB

---
kpartx/kpartx.c | 23 ++++++++++++++++-------
1 file changed, 16 insertions(+), 7 deletions(-)
Index: multipath-tools-130222/kpartx/kpartx.c
===================================================================
--- multipath-tools-130222.orig/kpartx/kpartx.c
+++ multipath-tools-130222/kpartx/kpartx.c
@@ -114,10 +114,13 @@ set_delimiter (char * device, char * del
{
char * p = device;
- while (*(p++) != 0x0)
+ if (*p == 0x0)
+ return;
+
+ while (*(++p) != 0x0)
continue;
- if (isdigit(*(p - 2)))
+ if (isdigit(*(p - 1)))
*delimiter = 'p';
}
@@ -136,15 +139,17 @@ strip_slash (char * device)
static int
find_devname_offset (char * device)
{
- char *p, *q = NULL;
+ char *p, *q;
- p = device;
+ q = p = device;
- while (*p++)
+ while (*p) {
if (*p == '/')
- q = p;
+ q = p + 1;
+ p++;
+ }
- return (int)(q - device) + 1;
+ return (int)(q - device);
}
static char *
@@ -343,6 +348,10 @@ main(int argc, char **argv){
}
device = loopdev;
}
+ else if (!S_ISBLK(buf.st_mode)) {
+ fprintf(stderr, "invalid device: %s\n", device);
+ exit(1);
+ }
off = find_devname_offset(device);