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Revert "printk: return -EINVAL if the message len is bigger than the buf size"
[firefly-linux-kernel-4.4.55.git]
/
kernel
/
printk.c
diff --git
a/kernel/printk.c
b/kernel/printk.c
index d6a1412f6b09f3e0a460300c069895e5484202dc..ff05361962e158810e120fe7b7d3cafc39ae5607 100644
(file)
--- a/
kernel/printk.c
+++ b/
kernel/printk.c
@@
-880,9
+880,7
@@
static int syslog_print(char __user *buf, int size)
syslog_seq++;
raw_spin_unlock_irq(&logbuf_lock);
- if (len > size)
- len = -EINVAL;
- else if (len > 0 && copy_to_user(buf, text, len))
+ if (len > 0 && copy_to_user(buf, text, len))
len = -EFAULT;
kfree(text);