Btrfs: send, add missing error check for calls to path_loop()

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The function path_loop() can return a negative integer, signaling an
error, 0 if there's no path loop and 1 if there's a path loop. We were
treating any non zero values as meaning that a path loop exists. Fix
this by explicitly checking for errors and gracefully return them to
user space.

Signed-off-by: Filipe Manana <fdmanana@suse.com>

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Filipe Manana 2016-06-17 17:13:36 +01:00

parent 801bec365e

commit 7969e77a73

1 changed files with 2 additions and 0 deletions

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fs/btrfs/send.c

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