2017-09-24 17:57:25

by Christos Gkekas

[permalink] [raw]
Subject: [PATCH RESEND] cachefiles: Remove unnecessary comparisons in daemon.c

Remove unnecessary comparisons of unsigned variables with zero.

Signed-off-by: Christos Gkekas <[email protected]>
---
fs/cachefiles/daemon.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/cachefiles/daemon.c b/fs/cachefiles/daemon.c
index 1ee54ff..ce072ce 100644
--- a/fs/cachefiles/daemon.c
+++ b/fs/cachefiles/daemon.c
@@ -229,7 +229,7 @@ static ssize_t cachefiles_daemon_write(struct file *file,
if (test_bit(CACHEFILES_DEAD, &cache->flags))
return -EIO;

- if (datalen < 0 || datalen > PAGE_SIZE - 1)
+ if (datalen > PAGE_SIZE - 1)
return -EOPNOTSUPP;

/* drag the command string into the kernel so we can parse it */
@@ -386,7 +386,7 @@ static int cachefiles_daemon_fstop(struct cachefiles_cache *cache, char *args)
if (args[0] != '%' || args[1] != '\0')
return -EINVAL;

- if (fstop < 0 || fstop >= cache->fcull_percent)
+ if (fstop >= cache->fcull_percent)
return cachefiles_daemon_range_error(cache, args);

cache->fstop_percent = fstop;
@@ -458,7 +458,7 @@ static int cachefiles_daemon_bstop(struct cachefiles_cache *cache, char *args)
if (args[0] != '%' || args[1] != '\0')
return -EINVAL;

- if (bstop < 0 || bstop >= cache->bcull_percent)
+ if (bstop >= cache->bcull_percent)
return cachefiles_daemon_range_error(cache, args);

cache->bstop_percent = bstop;
--
2.7.4