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zipl/stage3: use command_line variable whenever possible

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Use `command_line` variable whenever possible, this makes the code
easier to read.

Reviewed-by: Jan Höppner <hoeppner@linux.ibm.com>
Reviewed-by: Philipp Rudo <prudo@linux.ibm.com>
Reviewed-by: Stefan Haberland <sth@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Marc Hartmayer
2020-04-08 13:31:04 +02:00
committed by Jan Höppner
parent cc069af26d
commit 0843b7db36
1 changed files with 3 additions and 4 deletions
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7
zipl/boot/stage3.c
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@@ -168,11 +168,11 @@ void start(void)
/* if valid command line is given, copy it into new kernel space */
if (_stage3_parms.parm_addr != UNSPECIFIED_ADDRESS) {
memcpy((void *)COMMAND_LINE,
memcpy(command_line,
(void *)(unsigned long *)_stage3_parms.parm_addr,
COMMAND_LINE_SIZE);
/* terminate \0 */
*(char *)(COMMAND_LINE + COMMAND_LINE_SIZE - 1) = 0;
command_line[COMMAND_LINE_SIZE - 1] = 0;
}
/* convert extra parameter to ascii */
@@ -199,8 +199,7 @@ void start(void)
* else append
*/
if (cextra[begin] == 0x3d) {
memcpy((void *)COMMAND_LINE, (void *)(cextra + begin),
length);
memcpy(command_line, (void *)(cextra + begin), length);
} else {
/* check if length is within max value */
length = (end + 1 + length <= COMMAND_LINE_SIZE) ? length :