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Function doc return value clarity

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This commit is contained in:
Sean Williams 2014-12-20 21:42:00 -08:00
parent 9bb8efb9d9
commit 51c2adae02
1 changed files with 2 additions and 2 deletions
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4
kernel/linux/hash.c
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@ -23,7 +23,7 @@ unsigned char *kernel_text_hash(void) {
* @param data - Beginning memory address to perform hash
* @param len - size in bytes of the address range to hash
*
* @return allocated buffer containing the hash string.
* @return allocated buffer containing the hash string; or NULL upon error.
*/
unsigned char *hash_data(const void *data, size_t len) {
struct scatterlist sg;
@ -72,7 +72,7 @@ unsigned char *hash_data(const void *data, size_t len) {
* @param attr - attribute of said kernel object
* @param buf - buffer that will be allocated and filled with the hash
*
* @return size in bytes of the hash string.
* @return size in bytes of the hash string; or -1 upon error.
*/
ssize_t text_segment_hash_show(struct kobject *obj,
struct attribute *attr,