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arm64: configs: enable thermal fair share for rk3399 linux
[firefly-linux-kernel-4.4.55.git]
/
fs
/
splice.c
diff --git
a/fs/splice.c
b/fs/splice.c
index 4cf700d50b4037e6c334b0647cdb81b816f9ef65..0f77e9682857a5b513b67b790af078f0b6fc9b28 100644
(file)
--- a/
fs/splice.c
+++ b/
fs/splice.c
@@
-185,6
+185,9
@@
ssize_t splice_to_pipe(struct pipe_inode_info *pipe,
unsigned int spd_pages = spd->nr_pages;
int ret, do_wakeup, page_nr;
+ if (!spd_pages)
+ return 0;
+
ret = 0;
do_wakeup = 0;
page_nr = 0;