diff options
Diffstat (limited to 'debian/patches-rt/printk-devkmsg-llseek-reset-clear-if-it-is-lost.patch')
| -rw-r--r-- | debian/patches-rt/printk-devkmsg-llseek-reset-clear-if-it-is-lost.patch | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/debian/patches-rt/printk-devkmsg-llseek-reset-clear-if-it-is-lost.patch b/debian/patches-rt/printk-devkmsg-llseek-reset-clear-if-it-is-lost.patch index 4741569ef..8d336a2c1 100644 --- a/debian/patches-rt/printk-devkmsg-llseek-reset-clear-if-it-is-lost.patch +++ b/debian/patches-rt/printk-devkmsg-llseek-reset-clear-if-it-is-lost.patch @@ -1,7 +1,7 @@ From: John Ogness <john.ogness@linutronix.de> Date: Fri, 22 Feb 2019 23:02:44 +0100 Subject: [PATCH] printk: devkmsg: llseek: reset clear if it is lost -Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.0/older/patches-5.0.10-rt7.tar.xz +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.2/older/patches-5.2-rt1.tar.xz SEEK_DATA will seek to the last clear record. If this clear record is no longer in the ring buffer, devkmsg_llseek() will go into an @@ -16,7 +16,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c -@@ -725,6 +725,7 @@ static loff_t devkmsg_llseek(struct file +@@ -751,6 +751,7 @@ static loff_t devkmsg_llseek(struct file { struct devkmsg_user *user = file->private_data; loff_t ret; @@ -24,7 +24,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> if (!user) return -EBADF; -@@ -747,7 +748,7 @@ static loff_t devkmsg_llseek(struct file +@@ -773,7 +774,7 @@ static loff_t devkmsg_llseek(struct file * changes no global state, and does not clear anything. */ for (;;) { @@ -33,7 +33,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> ret = prb_iter_seek(&user->iter, clear_seq); if (ret > 0) { /* seeked to clear seq */ -@@ -764,6 +765,10 @@ static loff_t devkmsg_llseek(struct file +@@ -790,6 +791,10 @@ static loff_t devkmsg_llseek(struct file break; } /* iterator invalid, start over */ |