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init: support longer command lines

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The Linux kernel supports command lines up to 2048 bytes on x86,
see COMMAND_LINE_SIZE in asm/setup.h.

If any androidboot.xxxx arguments were past the 1024 byte limit
here, they were lost.

Change-Id: I6247c511a7de04109490fffa0125801d274a5501
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
This commit is contained in:
Andrew Boie 2013-09-09 13:08:17 -07:00
parent 596e9c6314
commit 2e63e71f31
1 changed files with 2 additions and 2 deletions
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4
init/util.c
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@ -450,13 +450,13 @@ void get_hardware_name(char *hardware, unsigned int *revision)
void import_kernel_cmdline(int in_qemu,
void (*import_kernel_nv)(char *name, int in_qemu))
{
char cmdline[1024];
char cmdline[2048];
char *ptr;
int fd;
fd = open("/proc/cmdline", O_RDONLY);
if (fd >= 0) {
int n = read(fd, cmdline, 1023);
int n = read(fd, cmdline, sizeof(cmdline) - 1);
if (n < 0) n = 0;
/* get rid of trailing newline, it happens */