korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-25 21:24:08 +08:00
Code Issues Packages Projects Releases Wiki Activity

block: sed-opal: fix u64 short atom length

Browse Source 
The length must be given as bytes and not as 4 bit tuples.

Reviewed-by: Scott Bauer <scott.bauer@intel.com>
Signed-off-by: Jonas Rabenstein <jonas.rabenstein@studium.uni-erlangen.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jonas Rabenstein 2018-03-07 17:55:56 +01:00 committed by Jens Axboe
parent 17cb960f29
commit 5f990d3160
1 changed files with 4 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
block/sed-opal.c
View File

@ -554,15 +554,14 @@ static void add_token_u64(int *err, struct opal_dev *cmd, u64 number)
size_t len;
int msb;
u8 n;
if (!(number & ~TINY_ATOM_DATA_MASK)) {
add_token_u8(err, cmd, number);
return;
}
msb = fls(number);
len = DIV_ROUND_UP(msb, 4);
msb = fls64(number);
len = DIV_ROUND_UP(msb, 8);
if (cmd->pos >= IO_BUFFER_LENGTH - len - 1) {
pr_debug("Error adding u64: end of buffer.\n");
@ -570,10 +569,8 @@ static void add_token_u64(int *err, struct opal_dev *cmd, u64 number)
return;
}
add_short_atom_header(cmd, false, false, len);
while (len--) {
n = number >> (len * 8);
add_token_u8(err, cmd, n);
}
while (len--)
add_token_u8(err, cmd, number >> (len * 8));
}
static void add_token_bytestring(int *err, struct opal_dev *cmd,