ocfs2: Fix a bug found by sparse check.
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / video / atafb.c
index 477ce55bbae97fbf16cc0cc3d692b3dbfdaac09c..018850c116c646edbeadf5cc6e4fc828e3901eff 100644 (file)
@@ -841,7 +841,7 @@ static int tt_detect(void)
                tt_dmasnd.ctrl = DMASND_CTRL_OFF;
                udelay(20);             /* wait a while for things to settle down */
        }
-       mono_moni = (mfp.par_dt_reg & 0x80) == 0;
+       mono_moni = (st_mfp.par_dt_reg & 0x80) == 0;
 
        tt_get_par(&par);
        tt_encode_var(&atafb_predefined[0], &par);
@@ -2035,7 +2035,7 @@ static int stste_detect(void)
                tt_dmasnd.ctrl = DMASND_CTRL_OFF;
                udelay(20);             /* wait a while for things to settle down */
        }
-       mono_moni = (mfp.par_dt_reg & 0x80) == 0;
+       mono_moni = (st_mfp.par_dt_reg & 0x80) == 0;
 
        stste_get_par(&par);
        stste_encode_var(&atafb_predefined[0], &par);
@@ -2086,20 +2086,20 @@ static void st_ovsc_switch(void)
                return;
        local_irq_save(flags);
 
-       mfp.tim_ct_b = 0x10;
-       mfp.active_edge |= 8;
-       mfp.tim_ct_b = 0;
-       mfp.tim_dt_b = 0xf0;
-       mfp.tim_ct_b = 8;
-       while (mfp.tim_dt_b > 1)        /* TOS does it this way, don't ask why */
+       st_mfp.tim_ct_b = 0x10;
+       st_mfp.active_edge |= 8;
+       st_mfp.tim_ct_b = 0;
+       st_mfp.tim_dt_b = 0xf0;
+       st_mfp.tim_ct_b = 8;
+       while (st_mfp.tim_dt_b > 1)     /* TOS does it this way, don't ask why */
                ;
-       new = mfp.tim_dt_b;
+       new = st_mfp.tim_dt_b;
        do {
                udelay(LINE_DELAY);
                old = new;
-               new = mfp.tim_dt_b;
+               new = st_mfp.tim_dt_b;
        } while (old != new);
-       mfp.tim_ct_b = 0x10;
+       st_mfp.tim_ct_b = 0x10;
        udelay(SYNC_DELAY);
 
        if (atari_switches & ATARI_SWITCH_OVSC_IKBD)
@@ -3075,8 +3075,7 @@ int __init atafb_setup(char *options)
 
 int __init atafb_init(void)
 {
-       int pad;
-       int detected_mode;
+       int pad, detected_mode, error;
        unsigned int defmode = 0;
        unsigned long mem_req;
 
@@ -3116,8 +3115,12 @@ int __init atafb_init(void)
                        printk("atafb_init: initializing Falcon hw\n");
                        fbhw = &falcon_switch;
                        atafb_ops.fb_setcolreg = &falcon_setcolreg;
-                       request_irq(IRQ_AUTO_4, falcon_vbl_switcher, IRQ_TYPE_PRIO,
-                                   "framebuffer/modeswitch", falcon_vbl_switcher);
+                       error = request_irq(IRQ_AUTO_4, falcon_vbl_switcher,
+                                           IRQ_TYPE_PRIO,
+                                           "framebuffer/modeswitch",
+                                           falcon_vbl_switcher);
+                       if (error)
+                               return error;
                        defmode = DEFMODE_F30;
                        break;
                }