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authorGleb Fotengauer-Malinovskiy <glebfm@altlinux.org>2022-02-01 22:39:02 +0000
committerDmitry V. Levin <ldv@altlinux.org>2022-02-03 11:04:08 +0000
commit97ba273b505763325efd802dc3a9562dbba79579 (patch)
tree148ab8fc7676a92e9415672d3ec436bc5861fb44 /sysdeps/unix/sysv
parenta9d35765728cbc5b66af5eeda5428298bccf9b69 (diff)
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linux: __get_nprocs_sched: do not feed CPU_COUNT_S with garbage [BZ #28850]
Pass the actual number of bytes returned by the kernel.

Fixes: 33099d72e41c ("linux: Simplify get_nprocs")
Reviewed-by: Dmitry V. Levin <ldv@altlinux.org>
Diffstat (limited to 'sysdeps/unix/sysv')
-rw-r--r--sysdeps/unix/sysv/linux/getsysstats.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/getsysstats.c b/sysdeps/unix/sysv/linux/getsysstats.c
index 4798cc337e..c98c8ce3d4 100644
--- a/sysdeps/unix/sysv/linux/getsysstats.c
+++ b/sysdeps/unix/sysv/linux/getsysstats.c
@@ -44,7 +44,7 @@ __get_nprocs_sched (void)
   int r = INTERNAL_SYSCALL_CALL (sched_getaffinity, 0, cpu_bits_size,
 				 cpu_bits);
   if (r > 0)
-    return CPU_COUNT_S (cpu_bits_size, (cpu_set_t*) cpu_bits);
+    return CPU_COUNT_S (r, (cpu_set_t*) cpu_bits);
   else if (r == -EINVAL)
     /* The input buffer is still not enough to store the number of cpus.  This
        is an arbitrary values assuming such systems should be rare and there