diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-04-25 12:46:48 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-04-25 12:46:48 -0700 |
commit | 7ec85f3e089aa423a69559bf4555b6218b5a2ef7 (patch) | |
tree | 962f8ecccc876a1ad757bc1080bd4ffd8751e33b /kernel | |
parent | df45da57cbd35715d590a36a12968a94508ccd1f (diff) | |
parent | bee43904dc774b35bb159693ff3f3ff222590bb1 (diff) |
Merge tag 'printk-for-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
Pull printk updates from Petr Mladek:
- Code cleanup and dead code removal
* tag 'printk-for-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
printk: Remove obsoleted check for non-existent "user" object
lib/vsprintf: Use isodigit() for the octal number check
Remove orphaned CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/printk/printk.c | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index fd0c9f913940..9644f6e5bf15 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -730,7 +730,7 @@ static ssize_t devkmsg_write(struct kiocb *iocb, struct iov_iter *from) size_t len = iov_iter_count(from); ssize_t ret = len; - if (!user || len > PRINTKRB_RECORD_MAX) + if (len > PRINTKRB_RECORD_MAX) return -EINVAL; /* Ignore when user logging is disabled. */ @@ -792,9 +792,6 @@ static ssize_t devkmsg_read(struct file *file, char __user *buf, }; ssize_t ret; - if (!user) - return -EBADF; - ret = mutex_lock_interruptible(&user->lock); if (ret) return ret; @@ -859,8 +856,6 @@ static loff_t devkmsg_llseek(struct file *file, loff_t offset, int whence) struct devkmsg_user *user = file->private_data; loff_t ret = 0; - if (!user) - return -EBADF; if (offset) return -ESPIPE; @@ -893,9 +888,6 @@ static __poll_t devkmsg_poll(struct file *file, poll_table *wait) struct printk_info info; __poll_t ret = 0; - if (!user) - return EPOLLERR|EPOLLNVAL; - poll_wait(file, &log_wait, wait); if (prb_read_valid_info(prb, atomic64_read(&user->seq), &info, NULL)) { @@ -944,9 +936,6 @@ static int devkmsg_release(struct inode *inode, struct file *file) { struct devkmsg_user *user = file->private_data; - if (!user) - return 0; - ratelimit_state_exit(&user->rs); mutex_destroy(&user->lock); |