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Merge branch 'for-2.6.31' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie...
[deliverable/linux.git]
/
fs
/
proc
/
task_mmu.c
diff --git
a/fs/proc/task_mmu.c
b/fs/proc/task_mmu.c
index 39e4ad4f59f4ef84fff3e809b1494a1eedb41267..6f61b7cc32e0e09c39aea2dd31cf64e2bc049060 100644
(file)
--- a/
fs/proc/task_mmu.c
+++ b/
fs/proc/task_mmu.c
@@
-665,6
+665,10
@@
static ssize_t pagemap_read(struct file *file, char __user *buf,
goto out_task;
ret = 0;
+
+ if (!count)
+ goto out_task;
+
mm = get_task_mm(task);
if (!mm)
goto out_task;
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