[PATCH] docs: locking: Add 'need' to hardirq section

[Stephen Boyd]

Add the missing word to make this sentence read properly.

Signed-off-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
---
 Documentation/kernel-hacking/locking.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/kernel-hacking/locking.rst b/Documentation/kernel-hacking/locking.rst
index a8518ac0d31d..9850c1e52607 100644
--- a/Documentation/kernel-hacking/locking.rst
+++ b/Documentation/kernel-hacking/locking.rst
@@ -263,7 +263,7 @@ by a hardware interrupt on another CPU. This is where
 interrupts on that cpu, then grab the lock.
 :c:func:`spin_unlock_irq()` does the reverse.
 
-The irq handler does not to use :c:func:`spin_lock_irq()`, because
+The irq handler does not need to use :c:func:`spin_lock_irq()`, because
 the softirq cannot run while the irq handler is running: it can use
 :c:func:`spin_lock()`, which is slightly faster. The only exception
 would be if a different hardware irq handler uses the same lock:

base-commit: fb33c6510d5595144d585aa194d377cf74d31911
-- 
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