diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-11-09 10:11:53 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-11-09 10:11:53 -0800 |
| commit | 59a2ceeef6d6bb8f68550fdbd84246b74a99f06b (patch) | |
| tree | d8302a240dfe56defb8d56df555bb046a5a7bb5c /include/linux/seq_file.h | |
| parent | d2f38a3c6507b2520101f9a3807ed98f1bdc545a (diff) | |
| parent | 0e9beb8a96f21a6df1579cb3a679e150e3269d80 (diff) | |
| download | linux-next-59a2ceeef6d6bb8f68550fdbd84246b74a99f06b.tar.gz linux-next-59a2ceeef6d6bb8f68550fdbd84246b74a99f06b.zip | |
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 'include/linux/seq_file.h')
| -rw-r--r-- | include/linux/seq_file.h | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h index dd99569595fd..72dbb44a4573 100644 --- a/include/linux/seq_file.h +++ b/include/linux/seq_file.h @@ -4,6 +4,7 @@ #include <linux/types.h> #include <linux/string.h> +#include <linux/string_helpers.h> #include <linux/bug.h> #include <linux/mutex.h> #include <linux/cpumask.h> @@ -135,7 +136,21 @@ static inline void seq_escape_str(struct seq_file *m, const char *src, seq_escape_mem(m, src, strlen(src), flags, esc); } -void seq_escape(struct seq_file *m, const char *s, const char *esc); +/** + * seq_escape - print string into buffer, escaping some characters + * @m: target buffer + * @s: NULL-terminated string + * @esc: set of characters that need escaping + * + * Puts string into buffer, replacing each occurrence of character from + * @esc with usual octal escape. + * + * Use seq_has_overflowed() to check for errors. + */ +static inline void seq_escape(struct seq_file *m, const char *s, const char *esc) +{ + seq_escape_str(m, s, ESCAPE_OCTAL, esc); +} void seq_hex_dump(struct seq_file *m, const char *prefix_str, int prefix_type, int rowsize, int groupsize, const void *buf, size_t len, @@ -194,7 +209,7 @@ static const struct file_operations __name ## _fops = { \ #define DEFINE_PROC_SHOW_ATTRIBUTE(__name) \ static int __name ## _open(struct inode *inode, struct file *file) \ { \ - return single_open(file, __name ## _show, inode->i_private); \ + return single_open(file, __name ## _show, PDE_DATA(inode)); \ } \ \ static const struct proc_ops __name ## _proc_ops = { \ |
