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Merge master.kernel.org:/home/rmk/linux-2.6-arm
[firefly-linux-kernel-4.4.55.git]
/
mm
/
fadvise.c
diff --git
a/mm/fadvise.c
b/mm/fadvise.c
index 5f19e87bc5af1c86dd121d7e50dcd3e5cc1c7e94..d257c89e7704c60d8decf405c89c46f8de262153 100644
(file)
--- a/
mm/fadvise.c
+++ b/
mm/fadvise.c
@@
-37,6
+37,11
@@
asmlinkage long sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice)
if (!file)
return -EBADF;
+ if (S_ISFIFO(file->f_dentry->d_inode->i_mode)) {
+ ret = -ESPIPE;
+ goto out;
+ }
+
mapping = file->f_mapping;
if (!mapping || len < 0) {
ret = -EINVAL;