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Fix another occurrence of linux kernel version check.

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This commit is contained in:
Milan Broz 2011-06-09 15:52:59 +00:00
parent fa380602cf
commit b39fdcf45b
1 changed files with 11 additions and 4 deletions
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15
libdm/libdm-deptree.c
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@ -1544,13 +1544,20 @@ static int _mirror_emit_segment_line(struct dm_task *dmt, uint32_t major,
int dm_log_userspace = 0;
struct utsname uts;
unsigned log_parm_count;
int pos = 0;
int pos = 0, parts;
char logbuf[DM_FORMAT_DEV_BUFSIZE];
const char *logtype;
unsigned kmaj, kmin, krel;
unsigned kmaj = 0, kmin = 0, krel = 0;
if (uname(&uts) == -1 || sscanf(uts.release, "%u.%u.%u", &kmaj, &kmin, &krel) != 3) {
log_error("Cannot read kernel release version");
if (uname(&uts) == -1) {
log_error("Cannot read kernel release version.");
return 0;
}
/* Kernels with a major number of 2 always had 3 parts. */
parts = sscanf(uts.release, "%u.%u.%u", &kmaj, &kmin, &krel);
if (parts < 1 || (kmaj < 3 && parts < 3)) {
log_error("Wrong kernel release version %s.", uts.release);
return 0;
}