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| author | Jakub Kicinski <kuba@kernel.org> | 2020-11-28 03:25:27 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2020-11-28 03:25:27 +0100 |
| commit | 5c39f26e67c984db0fa95f9faecf06eb0198dce7 (patch) | |
| tree | 821aaa43d3f5806134438daa531be6d171292c5f /drivers/ptp | |
| parent | Merge branch 'tipc-some-minor-improvements' (diff) | |
| parent | Merge tag 'asm-generic-fixes-5.10-2' of git://git.kernel.org/pub/scm/linux/ke... (diff) | |
| download | linux-5c39f26e67c984db0fa95f9faecf06eb0198dce7.tar.xz linux-5c39f26e67c984db0fa95f9faecf06eb0198dce7.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Trivial conflict in CAN, keep the net-next + the byteswap wrapper.
Conflicts:
drivers/net/can/usb/gs_usb.c
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/ptp')
| -rw-r--r-- | drivers/ptp/ptp_clockmatrix.c | 49 |
1 files changed, 16 insertions, 33 deletions
diff --git a/drivers/ptp/ptp_clockmatrix.c b/drivers/ptp/ptp_clockmatrix.c index e020faff7da5..663255774c0b 100644 --- a/drivers/ptp/ptp_clockmatrix.c +++ b/drivers/ptp/ptp_clockmatrix.c @@ -103,43 +103,26 @@ static int timespec_to_char_array(struct timespec64 const *ts, return 0; } -static int idtcm_strverscmp(const char *ver1, const char *ver2) +static int idtcm_strverscmp(const char *version1, const char *version2) { - u8 num1; - u8 num2; - int result = 0; - - /* loop through each level of the version string */ - while (result == 0) { - /* extract leading version numbers */ - if (kstrtou8(ver1, 10, &num1) < 0) - return -1; + u8 ver1[3], ver2[3]; + int i; - if (kstrtou8(ver2, 10, &num2) < 0) - return -1; + if (sscanf(version1, "%hhu.%hhu.%hhu", + &ver1[0], &ver1[1], &ver1[2]) != 3) + return -1; + if (sscanf(version2, "%hhu.%hhu.%hhu", + &ver2[0], &ver2[1], &ver2[2]) != 3) + return -1; - /* if numbers differ, then set the result */ - if (num1 < num2) - result = -1; - else if (num1 > num2) - result = 1; - else { - /* if numbers are the same, go to next level */ - ver1 = strchr(ver1, '.'); - ver2 = strchr(ver2, '.'); - if (!ver1 && !ver2) - break; - else if (!ver1) - result = -1; - else if (!ver2) - result = 1; - else { - ver1++; - ver2++; - } - } + for (i = 0; i < 3; i++) { + if (ver1[i] > ver2[i]) + return 1; + if (ver1[i] < ver2[i]) + return -1; } - return result; + + return 0; } static int idtcm_xfer_read(struct idtcm *idtcm, |