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autofs-5.1.7 - add ext_mount_hash_mutex lock helpers
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From: Ian Kent <raven@themaw.net>
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Coverity: check_return: Calling "pthread_mutex_lock" without checking
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return value.
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Well, I use helpers to do this in many places so can't really disagree.
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Signed-off-by: Ian Kent <raven@themaw.net>
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---
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CHANGELOG | 1 +
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lib/mounts.c | 26 ++++++++++++++++++++------
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2 files changed, 21 insertions(+), 6 deletions(-)
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--- autofs-5.1.4.orig/CHANGELOG
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+++ autofs-5.1.4/CHANGELOG
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@@ -65,6 +65,7 @@
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- fix double free in parse_mapent().
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- refactor lookup_prune_one_cache() a bit.
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- cater for empty mounts list in mnts_get_expire_list().
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+- add ext_mount_hash_mutex lock helpers.
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xx/xx/2018 autofs-5.1.5
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- fix flag file permission.
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--- autofs-5.1.4.orig/lib/mounts.c
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+++ autofs-5.1.4/lib/mounts.c
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@@ -788,6 +788,20 @@ char *make_mnt_name_string(char *path)
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return mnt_name;
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}
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+static void ext_mount_hash_mutex_lock(void)
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+{
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+ int status = pthread_mutex_lock(&ext_mount_hash_mutex);
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+ if (status)
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+ fatal(status);
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+}
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+
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+static void ext_mount_hash_mutex_unlock(void)
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+{
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+ int status = pthread_mutex_unlock(&ext_mount_hash_mutex);
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+ if (status)
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+ fatal(status);
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+}
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+
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static struct ext_mount *ext_mount_lookup(const char *mp)
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{
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uint32_t hval = hash(mp, HASH_SIZE(ext_mounts_hash));
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@@ -806,7 +820,7 @@ int ext_mount_add(const char *path, cons
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struct ext_mount *em;
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int ret = 0;
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- pthread_mutex_lock(&ext_mount_hash_mutex);
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+ ext_mount_hash_mutex_lock();
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em = ext_mount_lookup(path);
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if (em) {
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@@ -840,7 +854,7 @@ int ext_mount_add(const char *path, cons
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ret = 1;
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done:
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- pthread_mutex_unlock(&ext_mount_hash_mutex);
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+ ext_mount_hash_mutex_unlock();
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return ret;
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}
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@@ -849,7 +863,7 @@ int ext_mount_remove(const char *path)
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struct ext_mount *em;
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int ret = 0;
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- pthread_mutex_lock(&ext_mount_hash_mutex);
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+ ext_mount_hash_mutex_lock();
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em = ext_mount_lookup(path);
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if (!em)
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@@ -867,7 +881,7 @@ int ext_mount_remove(const char *path)
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ret = 1;
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}
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done:
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- pthread_mutex_unlock(&ext_mount_hash_mutex);
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+ ext_mount_hash_mutex_unlock();
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return ret;
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}
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@@ -876,13 +890,13 @@ int ext_mount_inuse(const char *path)
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struct ext_mount *em;
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int ret = 0;
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- pthread_mutex_lock(&ext_mount_hash_mutex);
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+ ext_mount_hash_mutex_lock();
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em = ext_mount_lookup(path);
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if (!em)
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goto done;
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ret = em->ref;
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done:
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- pthread_mutex_unlock(&ext_mount_hash_mutex);
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+ ext_mount_hash_mutex_unlock();
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return ret;
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}
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