a7y18lte-ubports/android_kernel_samsung_universal7885
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

lguest: avoid using NR_CPUS as a bounds check.

Browse Source 
NR_CPUS (being a host number) is an arbitrary limit for the Guest.
Using the array size directly (which currently happes to be NR_CPUS)
is more futureproof.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2008-05-02 21:50:51 -05:00
parent 48e4043d45
commit 24adf12722
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/lguest/lguest_user.c
View File

@ -102,7 +102,7 @@ static ssize_t read(struct file *file, char __user *user, size_t size,loff_t*o)
static int lg_cpu_start(struct lg_cpu *cpu, unsigned id, unsigned long start_ip) static int lg_cpu_start(struct lg_cpu *cpu, unsigned id, unsigned long start_ip)
{ {
/* We have a limited number the number of CPUs in the lguest struct. */ /* We have a limited number the number of CPUs in the lguest struct. */
if (id >= NR_CPUS) if (id >= ARRAY_SIZE(cpu->lg->cpus))
return -EINVAL; return -EINVAL;
/* Set up this CPU's id, and pointer back to the lguest struct. */ /* Set up this CPU's id, and pointer back to the lguest struct. */