Fix the same bug as in procfs_doproc{,db}regs(): check that uio_offset is
0 upon entry, and don't reset it before returning. MFC after: 3 weeks
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parent
66cd74a611
commit
302762c344
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=168759
@ -89,6 +89,9 @@ procfs_doprocfpregs(PFS_FILL_ARGS)
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int wrap32 = 0;
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#endif
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if (uio->uio_offset != 0)
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return (0);
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PROC_LOCK(p);
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KASSERT(p->p_lock > 0, ("proc not held"));
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if (p_candebug(td, p)) {
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@ -122,6 +125,5 @@ procfs_doprocfpregs(PFS_FILL_ARGS)
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}
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PROC_UNLOCK(p);
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uio->uio_offset = 0;
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return (error);
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}
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