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| author | Heiko Carstens | 2011-09-09 11:19:34 +0200 |
|---|---|---|
| committer | Karel Zak | 2011-09-10 00:00:35 +0200 |
| commit | 59fb133a029fea29e38a98b5177fc760a0c8dc17 (patch) | |
| tree | 9cf2c4f7e4e3270b3cb544724376f9e9cdac6555 /lib/cpuset.c | |
| parent | lib,cpuset: enforce stricter parsing of cpu lists (diff) | |
| download | kernel-qcow2-util-linux-59fb133a029fea29e38a98b5177fc760a0c8dc17.tar.gz kernel-qcow2-util-linux-59fb133a029fea29e38a98b5177fc760a0c8dc17.tar.xz kernel-qcow2-util-linux-59fb133a029fea29e38a98b5177fc760a0c8dc17.zip | |
chcpu,cpuset: reduce code duplication for cpu list parsing
Reduce code duplication and print better error message if an
unsupported cpu number was passed.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Diffstat (limited to 'lib/cpuset.c')
| -rw-r--r-- | lib/cpuset.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/cpuset.c b/lib/cpuset.c index ebaffccfb..c3b67a705 100644 --- a/lib/cpuset.c +++ b/lib/cpuset.c @@ -263,6 +263,11 @@ int cpumask_parse(const char *str, cpu_set_t *set, size_t setsize) /* * Parses string with list of CPU ranges. + * Returns 0 on success. + * Returns 1 on error. + * Returns 2 if fail is set and a cpu number passed in the list doesn't fit + * into the cpu_set. If fail is not set cpu numbers that do not fit are + * ignored and 0 is returned instead. */ int cpulist_parse(const char *str, cpu_set_t *set, size_t setsize, int fail) { @@ -303,7 +308,7 @@ int cpulist_parse(const char *str, cpu_set_t *set, size_t setsize, int fail) return 1; while (a <= b) { if (fail && (a >= max)) - return 1; + return 2; CPU_SET_S(a, setsize, set); a += s; } |