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ecryptfs: Change return type of ecryptfs_process_flags 

Change return type of ecryptfs_process_flags from int to void as it
never fails.

fixes below issue reported by coccicheck

s/ecryptfs/crypto.c:870:5-7: Unneeded variable: "rc". Return "0" on line
883

Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
[tyhicks: Remove the return value line from the function documentation]
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
alistair/sunxi64-5.4-dsi
Hariprasad Kelam 2019-07-02 23:17:24 +05:30 committed by Tyler Hicks
parent c036061be9
commit 7451c54abc
1 changed files with 2 additions and 11 deletions
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13
fs/ecryptfs/crypto.c
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@ -875,13 +875,10 @@ static struct ecryptfs_flag_map_elem ecryptfs_flag_map[] = {
* @crypt_stat: The cryptographic context
* @page_virt: Source data to be parsed
* @bytes_read: Updated with the number of bytes read
*
* Returns zero on success; non-zero if the flag set is invalid
*/
static int ecryptfs_process_flags(struct ecryptfs_crypt_stat *crypt_stat,
static void ecryptfs_process_flags(struct ecryptfs_crypt_stat *crypt_stat,
char *page_virt, int *bytes_read)
{
int rc = 0;
int i;
u32 flags;
@ -894,7 +891,6 @@ static int ecryptfs_process_flags(struct ecryptfs_crypt_stat *crypt_stat,
/* Version is in top 8 bits of the 32-bit flag vector */
crypt_stat->file_version = ((flags >> 24) & 0xFF);
(*bytes_read) = 4;
return rc;
}
/**
@ -1320,12 +1316,7 @@ static int ecryptfs_read_headers_virt(char *page_virt,
if (!(crypt_stat->flags & ECRYPTFS_I_SIZE_INITIALIZED))
ecryptfs_i_size_init(page_virt, d_inode(ecryptfs_dentry));
offset += MAGIC_ECRYPTFS_MARKER_SIZE_BYTES;
rc = ecryptfs_process_flags(crypt_stat, (page_virt + offset),
&bytes_read);
if (rc) {
ecryptfs_printk(KERN_WARNING, "Error processing flags\n");
goto out;
}
ecryptfs_process_flags(crypt_stat, (page_virt + offset), &bytes_read);
if (crypt_stat->file_version > ECRYPTFS_SUPPORTED_FILE_VERSION) {
ecryptfs_printk(KERN_WARNING, "File version is [%d]; only "
"file version [%d] is supported by this "