diff options
author | James Morris <james.l.morris@oracle.com> | 2017-11-29 12:47:41 +1100 |
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committer | James Morris <james.l.morris@oracle.com> | 2017-11-29 12:47:41 +1100 |
commit | cf40a76e7d5874bb25f4404eecc58a2e033af885 (patch) | |
tree | 8fd81cbea03c87b3d41d7ae5b1d11eadd35d6ef5 /lib/errseq.c | |
parent | ab5348c9c23cd253f5902980d2d8fe067dc24c82 (diff) | |
parent | 4fbd8d194f06c8a3fd2af1ce560ddb31f7ec8323 (diff) |
Merge tag 'v4.15-rc1' into next-seccomp
Linux 4.15-rc1
Diffstat (limited to 'lib/errseq.c')
-rw-r--r-- | lib/errseq.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/lib/errseq.c b/lib/errseq.c index 841fa24e6e00..79cc66897db4 100644 --- a/lib/errseq.c +++ b/lib/errseq.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/err.h> #include <linux/bug.h> #include <linux/atomic.h> @@ -41,23 +42,20 @@ #define ERRSEQ_CTR_INC (1 << (ERRSEQ_SHIFT + 1)) /** - * __errseq_set - set a errseq_t for later reporting + * errseq_set - set a errseq_t for later reporting * @eseq: errseq_t field that should be set - * @err: error to set + * @err: error to set (must be between -1 and -MAX_ERRNO) * * This function sets the error in *eseq, and increments the sequence counter * if the last sequence was sampled at some point in the past. * * Any error set will always overwrite an existing error. * - * Most callers will want to use the errseq_set inline wrapper to efficiently - * handle the common case where err is 0. - * - * We do return an errseq_t here, primarily for debugging purposes. The return - * value should not be used as a previously sampled value in later calls as it - * will not have the SEEN flag set. + * We do return the latest value here, primarily for debugging purposes. The + * return value should not be used as a previously sampled value in later calls + * as it will not have the SEEN flag set. */ -errseq_t __errseq_set(errseq_t *eseq, int err) +errseq_t errseq_set(errseq_t *eseq, int err) { errseq_t cur, old; @@ -107,7 +105,7 @@ errseq_t __errseq_set(errseq_t *eseq, int err) } return cur; } -EXPORT_SYMBOL(__errseq_set); +EXPORT_SYMBOL(errseq_set); /** * errseq_sample - grab current errseq_t value |