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author | Philippe Schenker <philippe.schenker@toradex.com> | 2022-05-19 18:11:52 +0200 |
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committer | Philippe Schenker <philippe.schenker@toradex.com> | 2022-05-19 18:11:52 +0200 |
commit | 01a93acde83b4ee476a759e7de0df89b46130b0e (patch) | |
tree | 46218df72c9a2bef78fac3a2c469802b99f1dd0d /include/linux/ipc_namespace.h | |
parent | 5c1ff16e904d73f3779d18e4674f82d758c3fff1 (diff) | |
parent | 01565c91b789a1612051e735a65f11096a6f08e8 (diff) |
Merge tag 'v5.4.193' into toradex_5.4.y
This is the 5.4.193 stable release
Diffstat (limited to 'include/linux/ipc_namespace.h')
-rw-r--r-- | include/linux/ipc_namespace.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h index c309f43bde45..f8c4d9f97819 100644 --- a/include/linux/ipc_namespace.h +++ b/include/linux/ipc_namespace.h @@ -130,6 +130,16 @@ static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns) return ns; } +static inline struct ipc_namespace *get_ipc_ns_not_zero(struct ipc_namespace *ns) +{ + if (ns) { + if (refcount_inc_not_zero(&ns->count)) + return ns; + } + + return NULL; +} + extern void put_ipc_ns(struct ipc_namespace *ns); #else static inline struct ipc_namespace *copy_ipcs(unsigned long flags, @@ -146,6 +156,11 @@ static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns) return ns; } +static inline struct ipc_namespace *get_ipc_ns_not_zero(struct ipc_namespace *ns) +{ + return ns; +} + static inline void put_ipc_ns(struct ipc_namespace *ns) { } |