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authorMauro Carvalho Chehab <mchehab@s-opensource.com>2017-09-29 05:24:10 -0400
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2017-09-29 05:24:10 -0400
commitcf09e3c904bf424f8b6a8203958e09bf7d9bcbc0 (patch)
tree5e9936b3de36aa222b52a9bca366a43d98730ffd /lib/errseq.c
parentmedia: staging: atomisp: use clock framework for camera clocks (diff)
parentLinux 4.14-rc2 (diff)
Merge tag 'v4.14-rc2' into patchwork
Linux 4.14-rc2 * tag 'v4.14-rc2': (12066 commits) Linux 4.14-rc2 tpm: ibmvtpm: simplify crq initialization and document crq format tpm: replace msleep() with usleep_range() in TPM 1.2/2.0 generic drivers Documentation: tpm: add powered-while-suspended binding documentation tpm: tpm_crb: constify acpi_device_id. tpm: vtpm: constify vio_device_id security: fix description of values returned by cap_inode_need_killpriv x86/asm: Fix inline asm call constraints for Clang objtool: Handle another GCC stack pointer adjustment bug inet: fix improper empty comparison net: use inet6_rcv_saddr to compare sockets net: set tb->fast_sk_family net: orphan frags on stand-alone ptype in dev_queue_xmit_nit MAINTAINERS: update git tree locations for ieee802154 subsystem SMB3: Don't ignore O_SYNC/O_DSYNC and O_DIRECT flags SMB3: handle new statx fields arch: remove unused *_segments() macros/functions parisc: Unbreak bootloader due to gcc-7 optimizations parisc: Reintroduce option to gzip-compress the kernel apparmor: fix apparmorfs DAC access permissions ...
Diffstat (limited to 'lib/errseq.c')
-rw-r--r--lib/errseq.c17
1 files changed, 7 insertions, 10 deletions
diff --git a/lib/errseq.c b/lib/errseq.c
index 841fa24e6e00..7b900c2a277a 100644
--- a/lib/errseq.c
+++ b/lib/errseq.c
@@ -41,23 +41,20 @@
#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 +104,7 @@ 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