diff options
Diffstat (limited to 'drivers/tty/vt/consolemap.c')
-rw-r--r-- | drivers/tty/vt/consolemap.c | 60 |
1 files changed, 37 insertions, 23 deletions
diff --git a/drivers/tty/vt/consolemap.c b/drivers/tty/vt/consolemap.c index 59b25e039968..c8c91f0476a2 100644 --- a/drivers/tty/vt/consolemap.c +++ b/drivers/tty/vt/consolemap.c @@ -261,19 +261,22 @@ u16 inverse_translate(struct vc_data *conp, int glyph, int use_unicode) int m; if (glyph < 0 || glyph >= MAX_GLYPH) return 0; - else if (!(p = *conp->vc_uni_pagedir_loc)) - return glyph; - else if (use_unicode) { - if (!p->inverse_trans_unicode) + else { + p = *conp->vc_uni_pagedir_loc; + if (!p) return glyph; - else - return p->inverse_trans_unicode[glyph]; - } else { - m = inv_translate[conp->vc_num]; - if (!p->inverse_translations[m]) - return glyph; - else - return p->inverse_translations[m][glyph]; + else if (use_unicode) { + if (!p->inverse_trans_unicode) + return glyph; + else + return p->inverse_trans_unicode[glyph]; + } else { + m = inv_translate[conp->vc_num]; + if (!p->inverse_translations[m]) + return glyph; + else + return p->inverse_translations[m][glyph]; + } } } EXPORT_SYMBOL_GPL(inverse_translate); @@ -397,7 +400,8 @@ static void con_release_unimap(struct uni_pagedir *p) if (p == dflt) dflt = NULL; for (i = 0; i < 32; i++) { - if ((p1 = p->uni_pgdir[i]) != NULL) { + p1 = p->uni_pgdir[i]; + if (p1 != NULL) { for (j = 0; j < 32; j++) kfree(p1[j]); kfree(p1); @@ -473,14 +477,16 @@ con_insert_unipair(struct uni_pagedir *p, u_short unicode, u_short fontpos) int i, n; u16 **p1, *p2; - if (!(p1 = p->uni_pgdir[n = unicode >> 11])) { + p1 = p->uni_pgdir[n = unicode >> 11]; + if (!p1) { p1 = p->uni_pgdir[n] = kmalloc(32*sizeof(u16 *), GFP_KERNEL); if (!p1) return -ENOMEM; for (i = 0; i < 32; i++) p1[i] = NULL; } - if (!(p2 = p1[n = (unicode >> 6) & 0x1f])) { + p2 = p1[n = (unicode >> 6) & 0x1f]; + if (!p2) { p2 = p1[n] = kmalloc(64*sizeof(u16), GFP_KERNEL); if (!p2) return -ENOMEM; memset(p2, 0xff, 64*sizeof(u16)); /* No glyphs for the characters (yet) */ @@ -569,10 +575,12 @@ int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list) * 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])) { + for (i = 0; i < 32; i++) { + p1 = p->uni_pgdir[i]; + if (p1) + for (j = 0; j < 32; j++) { + p2 = p1[j]; + if (p2) { for (k = 0; k < 64; k++, l++) if (p2[k] != 0xffff) { /* @@ -593,9 +601,11 @@ int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list) /* 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 @@ -735,10 +745,12 @@ int con_get_unimap(struct vc_data *vc, ushort ct, ushort __user *uct, struct uni ect = 0; if (*vc->vc_uni_pagedir_loc) { p = *vc->vc_uni_pagedir_loc; - for (i = 0; i < 32; i++) - if ((p1 = p->uni_pgdir[i])) - for (j = 0; j < 32; j++) - if ((p2 = *(p1++))) + for (i = 0; i < 32; i++) { + p1 = p->uni_pgdir[i]; + if (p1) + for (j = 0; j < 32; j++) { + p2 = *(p1++); + if (p2) for (k = 0; k < 64; k++) { if (*p2 < MAX_GLYPH && ect++ < ct) { __put_user((u_short)((i<<11)+(j<<6)+k), @@ -749,6 +761,8 @@ int con_get_unimap(struct vc_data *vc, ushort ct, ushort __user *uct, struct uni } p2++; } + } + } } __put_user(ect, uct); console_unlock(); |