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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-11-09 21:11:53 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-11-09 21:11:53 +0300 |
| commit | 59a2ceeef6d6bb8f68550fdbd84246b74a99f06b (patch) | |
| tree | d8302a240dfe56defb8d56df555bb046a5a7bb5c /kernel/fork.c | |
| parent | d2f38a3c6507b2520101f9a3807ed98f1bdc545a (diff) | |
| parent | 0e9beb8a96f21a6df1579cb3a679e150e3269d80 (diff) | |
| download | linux-59a2ceeef6d6bb8f68550fdbd84246b74a99f06b.tar.xz | |
Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton:
"87 patches.
Subsystems affected by this patch series: mm (pagecache and hugetlb),
procfs, misc, MAINTAINERS, lib, checkpatch, binfmt, kallsyms, ramfs,
init, codafs, nilfs2, hfs, crash_dump, signals, seq_file, fork,
sysvfs, kcov, gdb, resource, selftests, and ipc"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (87 commits)
ipc/ipc_sysctl.c: remove fallback for !CONFIG_PROC_SYSCTL
ipc: check checkpoint_restore_ns_capable() to modify C/R proc files
selftests/kselftest/runner/run_one(): allow running non-executable files
virtio-mem: disallow mapping virtio-mem memory via /dev/mem
kernel/resource: disallow access to exclusive system RAM regions
kernel/resource: clean up and optimize iomem_is_exclusive()
scripts/gdb: handle split debug for vmlinux
kcov: replace local_irq_save() with a local_lock_t
kcov: avoid enable+disable interrupts if !in_task()
kcov: allocate per-CPU memory on the relevant node
Documentation/kcov: define `ip' in the example
Documentation/kcov: include types.h in the example
sysv: use BUILD_BUG_ON instead of runtime check
kernel/fork.c: unshare(): use swap() to make code cleaner
seq_file: fix passing wrong private data
seq_file: move seq_escape() to a header
signal: remove duplicate include in signal.h
crash_dump: remove duplicate include in crash_dump.h
crash_dump: fix boolreturn.cocci warning
hfs/hfsplus: use WARN_ON for sanity check
...
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index 3f112b11a9ad..5de23f3e08bf 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -3024,7 +3024,7 @@ int unshare_fd(unsigned long unshare_flags, unsigned int max_fds, int ksys_unshare(unsigned long unshare_flags) { struct fs_struct *fs, *new_fs = NULL; - struct files_struct *fd, *new_fd = NULL; + struct files_struct *new_fd = NULL; struct cred *new_cred = NULL; struct nsproxy *new_nsproxy = NULL; int do_sysvsem = 0; @@ -3111,11 +3111,8 @@ int ksys_unshare(unsigned long unshare_flags) spin_unlock(&fs->lock); } - if (new_fd) { - fd = current->files; - current->files = new_fd; - new_fd = fd; - } + if (new_fd) + swap(current->files, new_fd); task_unlock(current); |