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author | codeworkx <codeworkx@cyanogenmod.com> | 2012-09-18 18:51:21 +0200 |
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committer | codeworkx <codeworkx@cyanogenmod.com> | 2012-09-18 19:02:23 +0200 |
commit | f991bd2a427ec6a5e049e19745aba6a5d7f006c4 (patch) | |
tree | c6f0d428403c32c95335c34b3f0105c2e4c8087d /drivers/tty/vt | |
parent | c28265764ec6ad9995eb0c761a376ffc9f141fcd (diff) | |
parent | bea37381fd9a34c6660e5195d31beea86aa3dda3 (diff) | |
download | kernel_samsung_smdk4412-f991bd2a427ec6a5e049e19745aba6a5d7f006c4.zip kernel_samsung_smdk4412-f991bd2a427ec6a5e049e19745aba6a5d7f006c4.tar.gz kernel_samsung_smdk4412-f991bd2a427ec6a5e049e19745aba6a5d7f006c4.tar.bz2 |
Merge linux-3.0.31 from korg into jellybean
Conflicts:
arch/arm/mm/proc-v7.S
drivers/base/core.c
drivers/gpu/drm/i915/i915_gem_execbuffer.c
drivers/gpu/drm/i915/intel_display.c
drivers/gpu/drm/i915/intel_lvds.c
drivers/gpu/drm/radeon/evergreen.c
drivers/gpu/drm/radeon/r100.c
drivers/gpu/drm/radeon/radeon_connectors.c
drivers/gpu/drm/radeon/rs600.c
drivers/usb/core/hub.c
drivers/usb/host/xhci-pci.c
drivers/usb/host/xhci.c
drivers/usb/serial/qcserial.c
fs/proc/base.c
Change-Id: Ia98b35db3f8c0bfd95817867d3acb85be8e5e772
Diffstat (limited to 'drivers/tty/vt')
-rw-r--r-- | drivers/tty/vt/consolemap.c | 51 | ||||
-rw-r--r-- | drivers/tty/vt/vt_ioctl.c | 1 |
2 files changed, 43 insertions, 9 deletions
diff --git a/drivers/tty/vt/consolemap.c b/drivers/tty/vt/consolemap.c index 45d3e80..f343808 100644 --- a/drivers/tty/vt/consolemap.c +++ b/drivers/tty/vt/consolemap.c @@ -516,6 +516,7 @@ int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list) int err = 0, err1, i; struct uni_pagedir *p, *q; + /* Save original vc_unipagdir_loc in case we allocate a new one */ p = (struct uni_pagedir *)*vc->vc_uni_pagedir_loc; if (p->readonly) return -EIO; @@ -528,26 +529,57 @@ int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list) err1 = con_clear_unimap(vc, NULL); if (err1) return err1; + /* + * Since refcount was > 1, con_clear_unimap() allocated a + * a new uni_pagedir for this vc. Re: p != q + */ q = (struct uni_pagedir *)*vc->vc_uni_pagedir_loc; - for (i = 0, l = 0; i < 32; i++) + + /* + * uni_pgdir is a 32*32*64 table with rows allocated + * when its first entry is added. The unicode value must + * still be incremented for empty rows. We are copying + * entries from "p" (old) to "q" (new). + */ + l = 0; /* unicode value */ + for (i = 0; i < 32; i++) if ((p1 = p->uni_pgdir[i])) for (j = 0; j < 32; j++) - if ((p2 = p1[j])) + if ((p2 = p1[j])) { for (k = 0; k < 64; k++, l++) if (p2[k] != 0xffff) { + /* + * Found one, copy entry for unicode + * l with fontpos value p2[k]. + */ err1 = con_insert_unipair(q, l, p2[k]); if (err1) { p->refcount++; *vc->vc_uni_pagedir_loc = (unsigned long)p; con_release_unimap(q); kfree(q); - return err1; + return err1; } - } - p = q; - } else if (p == dflt) + } + } else { + /* Account for row of 64 empty entries */ + l += 64; + } + else + /* Account for empty table */ + l += 32 * 64; + + /* + * Finished copying font table, set vc_uni_pagedir to new table + */ + p = q; + } else if (p == dflt) { dflt = NULL; - + } + + /* + * Insert user specified unicode pairs into new table. + */ while (ct--) { unsigned short unicode, fontpos; __get_user(unicode, &list->unicode); @@ -557,11 +589,14 @@ int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list) list++; } + /* + * Merge with fontmaps of any other virtual consoles. + */ if (con_unify_unimap(vc, p)) return err; for (i = 0; i <= 3; i++) - set_inverse_transl(vc, p, i); /* Update all inverse translations */ + set_inverse_transl(vc, p, i); /* Update inverse translations */ set_inverse_trans_unicode(vc, p); return err; diff --git a/drivers/tty/vt/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c index 5e096f4..65447c5 100644 --- a/drivers/tty/vt/vt_ioctl.c +++ b/drivers/tty/vt/vt_ioctl.c @@ -1463,7 +1463,6 @@ compat_kdfontop_ioctl(struct compat_console_font_op __user *fontop, if (!perm && op->op != KD_FONT_OP_GET) return -EPERM; op->data = compat_ptr(((struct compat_console_font_op *)op)->data); - op->flags |= KD_FONT_FLAG_OLD; i = con_font_op(vc, op); if (i) return i; |