提交 bfd51626 编写于 作者: D Davi Arnaut 提交者: Linus Torvalds

[PATCH] SELinux: remove unecessary size_t checks in selinuxfs

This patch removes a bunch of unecessary checks for (size_t < 0) in
selinuxfs.
Signed-off-by: NJames Morris <jmorris@namei.org>
Acked-by: NStephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 ce4c2bd1
......@@ -105,7 +105,7 @@ static ssize_t sel_write_enforce(struct file * file, const char __user * buf,
ssize_t length;
int new_value;
if (count < 0 || count >= PAGE_SIZE)
if (count >= PAGE_SIZE)
return -ENOMEM;
if (*ppos != 0) {
/* No partial writes. */
......@@ -155,7 +155,7 @@ static ssize_t sel_write_disable(struct file * file, const char __user * buf,
int new_value;
extern int selinux_disable(void);
if (count < 0 || count >= PAGE_SIZE)
if (count >= PAGE_SIZE)
return -ENOMEM;
if (*ppos != 0) {
/* No partial writes. */
......@@ -242,7 +242,7 @@ static ssize_t sel_write_load(struct file * file, const char __user * buf,
goto out;
}
if ((count < 0) || (count > 64 * 1024 * 1024)
if ((count > 64 * 1024 * 1024)
|| (data = vmalloc(count)) == NULL) {
length = -ENOMEM;
goto out;
......@@ -284,7 +284,7 @@ static ssize_t sel_write_context(struct file * file, const char __user * buf,
if (length)
return length;
if (count < 0 || count >= PAGE_SIZE)
if (count >= PAGE_SIZE)
return -ENOMEM;
if (*ppos != 0) {
/* No partial writes. */
......@@ -332,7 +332,7 @@ static ssize_t sel_write_checkreqprot(struct file * file, const char __user * bu
if (length)
return length;
if (count < 0 || count >= PAGE_SIZE)
if (count >= PAGE_SIZE)
return -ENOMEM;
if (*ppos != 0) {
/* No partial writes. */
......@@ -729,7 +729,7 @@ static ssize_t sel_read_bool(struct file *filep, char __user *buf,
if (!filep->f_op)
goto out;
if (count < 0 || count > PAGE_SIZE) {
if (count > PAGE_SIZE) {
ret = -EINVAL;
goto out;
}
......@@ -790,7 +790,7 @@ static ssize_t sel_write_bool(struct file *filep, const char __user *buf,
if (!filep->f_op)
goto out;
if (count < 0 || count >= PAGE_SIZE) {
if (count >= PAGE_SIZE) {
length = -ENOMEM;
goto out;
}
......@@ -848,7 +848,7 @@ static ssize_t sel_commit_bools_write(struct file *filep,
if (!filep->f_op)
goto out;
if (count < 0 || count >= PAGE_SIZE) {
if (count >= PAGE_SIZE) {
length = -ENOMEM;
goto out;
}
......@@ -1022,7 +1022,7 @@ static ssize_t sel_write_avc_cache_threshold(struct file * file,
ssize_t ret;
int new_value;
if (count < 0 || count >= PAGE_SIZE) {
if (count >= PAGE_SIZE) {
ret = -ENOMEM;
goto out;
}
......
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