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[2607:f8b0:400e:c05::244]) by gmr-mx.google.com with ESMTPS id 2si589834pfz.1.2017.03.02.00.43.07 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 02 Mar 2017 00:43:07 -0800 (PST) Received-SPF: pass (google.com: domain of arushisinghal19971997@gmail.com designates 2607:f8b0:400e:c05::244 as permitted sender) client-ip=2607:f8b0:400e:c05::244; Authentication-Results: gmr-mx.google.com; dkim=pass header.i=@gmail.com; spf=pass (google.com: domain of arushisinghal19971997@gmail.com designates 2607:f8b0:400e:c05::244 as permitted sender) smtp.mailfrom=arushisinghal19971997@gmail.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=gmail.com Received: by mail-pg0-x244.google.com with SMTP id 16so157237pga.0 for ; Thu, 02 Mar 2017 00:43:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:mime-version:content-disposition :user-agent; bh=507azC/eyTUxuHZyA4BI7ux34q/jqZC1IfXy4xxhzPE=; b=Ei6zOcSDWhI0OilYfRcDqKR2BL+k58JvRjwB3vaI3ZgEXXHJyHXnS7liwc6QiIsM1c Bx2HnqKkYfrO/pw4xXHimRf1wyB0Koh+AXqy8on+KsjSoaG85Ln+JYzUf/2ITTzWqO5b qjNVZsCmOrWaEjx5Dutn4iNwuIQy6EQA/ybW6pzF1uw0mw1avmFxdIi574FsgPxrkBOV 7j3ns3LeO7xx/v0z2AbOnVa9uZ+cEqQtwCrqnWrHZcYNVonKaqoL0L8oOjuFJSdUmYlR nRPiNe+SERil4ITgGL3TwNYwhrmLisMoPtZi7RlY/WAA9tETmVqBLQju5X3AVDo8fRdv 1zKQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition:user-agent; bh=507azC/eyTUxuHZyA4BI7ux34q/jqZC1IfXy4xxhzPE=; b=UY2eAB0AKAlKJodfEXqp6sjFqK5xL597tPQr3PL10Z0dxQMBYf12Pic22AOnOWx8xF ndeE3ReONZ0IrrJvo7JxsnXxm+GTo+4WQIQ4lu8FvnDy30XNooWFMnGsIZWGaurgWGiB Af4kE6QTzFjfo/nKyqhRwUqR8SIqZbuhUNpFxgDDY86HuByllQGYa8EJ7mWvpbTariSz xI2NAx8lfICRHbYxRpmdOpUDvBOMo26utQuSsFBEGRH+IXb+yEyyc6ZqfWtgXJlKgRqu W7Q8oAo2Rkt6NSFU9bxSKxjoTAPO7Psj6DnTg+TGBu3Js0kqtpjt8tzLo+3wvfwLoYhN vF0w== X-Gm-Message-State: AMke39moUX/Ny5n5xihilvn2oiNCV7bU4h1wszziL69+TIHXyMotReFQ/QCCAf31lBiqCA== X-Received: by 10.84.149.102 with SMTP id b35mr16966444plh.3.1488444187419; Thu, 02 Mar 2017 00:43:07 -0800 (PST) Return-Path: Received: from arushi-HP-Pavilion-Notebook ([14.139.82.6]) by smtp.gmail.com with ESMTPSA id o24sm15316198pfj.78.2017.03.02.00.43.05 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 02 Mar 2017 00:43:06 -0800 (PST) Date: Thu, 2 Mar 2017 14:13:02 +0530 From: Arushi Singhal To: w.d.hubbs@gmail.com Cc: Chris Brannon , Kirk Reiser , Samuel Thibault , Greg Kroah-Hartman , speakup@linux-speakup.org, devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, outreachy-kernel@googlegroups.com Subject: [PATCH v2] staging: speakup: Comparison to NULL could be written Message-ID: <20170302084302.GA4880@arushi-HP-Pavilion-Notebook> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) Fixed coding style for null comparisons in speakup driver to be more consistant with the rest of the kernel coding style. Signed-off-by: Arushi Singhal --- changes in v2 - fixed coding style error and upto the coding style. drivers/staging/speakup/fakekey.c | 2 +- drivers/staging/speakup/kobjects.c | 2 +- drivers/staging/speakup/main.c | 38 +++++++++++++++++++------------------- 3 files changed, 21 insertions(+), 21 deletions(-) diff --git a/drivers/staging/speakup/fakekey.c b/drivers/staging/speakup/fakekey.c index d76da0a1382c..294c74b47224 100644 --- a/drivers/staging/speakup/fakekey.c +++ b/drivers/staging/speakup/fakekey.c @@ -56,7 +56,7 @@ int speakup_add_virtual_keyboard(void) void speakup_remove_virtual_keyboard(void) { - if (virt_keyboard != NULL) { + if (virt_keyboard) { input_unregister_device(virt_keyboard); virt_keyboard = NULL; } diff --git a/drivers/staging/speakup/kobjects.c b/drivers/staging/speakup/kobjects.c index 5d871ec3693c..2fef55569bfd 100644 --- a/drivers/staging/speakup/kobjects.c +++ b/drivers/staging/speakup/kobjects.c @@ -391,7 +391,7 @@ static ssize_t synth_store(struct kobject *kobj, struct kobj_attribute *attr, len--; new_synth_name[len] = '\0'; spk_strlwr(new_synth_name); - if ((synth != NULL) && (!strcmp(new_synth_name, synth->name))) { + if (synth && !strcmp(new_synth_name, synth->name)) { pr_warn("%s already in use\n", new_synth_name); } else if (synth_init(new_synth_name) != 0) { pr_warn("failed to init synth %s\n", new_synth_name); diff --git a/drivers/staging/speakup/main.c b/drivers/staging/speakup/main.c index c2f70ef5b9b3..a12ec2b061fe 100644 --- a/drivers/staging/speakup/main.c +++ b/drivers/staging/speakup/main.c @@ -299,7 +299,7 @@ static void speakup_shut_up(struct vc_data *vc) spk_shut_up |= 0x01; spk_parked &= 0xfe; speakup_date(vc); - if (synth != NULL) + if (synth) spk_do_flush(); } @@ -441,7 +441,7 @@ static void speak_char(u_char ch) synth_printf("%s", spk_str_caps_stop); return; } - if (cp == NULL) { + if (!cp) { pr_info("speak_char: cp == NULL!\n"); return; } @@ -1157,7 +1157,7 @@ static void do_handle_shift(struct vc_data *vc, u_char value, char up_flag) { unsigned long flags; - if (synth == NULL || up_flag || spk_killed) + if (!synth || up_flag || spk_killed) return; spin_lock_irqsave(&speakup_info.spinlock, flags); if (cursor_track == read_all_mode) { @@ -1195,7 +1195,7 @@ static void do_handle_latin(struct vc_data *vc, u_char value, char up_flag) spin_unlock_irqrestore(&speakup_info.spinlock, flags); return; } - if (synth == NULL || spk_killed) { + if (!synth || spk_killed) { spin_unlock_irqrestore(&speakup_info.spinlock, flags); return; } @@ -1279,7 +1279,7 @@ void spk_reset_default_chars(void) /* First, free any non-default */ for (i = 0; i < 256; i++) { - if ((spk_characters[i] != NULL) + if (spk_characters[i] && (spk_characters[i] != spk_default_chars[i])) kfree(spk_characters[i]); } @@ -1321,10 +1321,10 @@ static int speakup_allocate(struct vc_data *vc) int vc_num; vc_num = vc->vc_num; - if (speakup_console[vc_num] == NULL) { + if (!speakup_console[vc_num]) { speakup_console[vc_num] = kzalloc(sizeof(*speakup_console[0]), GFP_ATOMIC); - if (speakup_console[vc_num] == NULL) + if (!speakup_console[vc_num]) return -ENOMEM; speakup_date(vc); } else if (!spk_parked) @@ -1373,7 +1373,7 @@ static void kbd_fakekey2(struct vc_data *vc, int command) static void read_all_doc(struct vc_data *vc) { - if ((vc->vc_num != fg_console) || synth == NULL || spk_shut_up) + if ((vc->vc_num != fg_console) || !synth || spk_shut_up) return; if (!synth_supports_indexing()) return; @@ -1487,7 +1487,7 @@ static int pre_handle_cursor(struct vc_data *vc, u_char value, char up_flag) spin_lock_irqsave(&speakup_info.spinlock, flags); if (cursor_track == read_all_mode) { spk_parked &= 0xfe; - if (synth == NULL || up_flag || spk_shut_up) { + if (!synth || up_flag || spk_shut_up) { spin_unlock_irqrestore(&speakup_info.spinlock, flags); return NOTIFY_STOP; } @@ -1509,7 +1509,7 @@ static void do_handle_cursor(struct vc_data *vc, u_char value, char up_flag) spin_lock_irqsave(&speakup_info.spinlock, flags); spk_parked &= 0xfe; - if (synth == NULL || up_flag || spk_shut_up || cursor_track == CT_Off) { + if (!synth || up_flag || spk_shut_up || cursor_track == CT_Off) { spin_unlock_irqrestore(&speakup_info.spinlock, flags); return; } @@ -1705,7 +1705,7 @@ static void speakup_bs(struct vc_data *vc) return; if (!spk_parked) speakup_date(vc); - if (spk_shut_up || synth == NULL) { + if (spk_shut_up || !synth) { spin_unlock_irqrestore(&speakup_info.spinlock, flags); return; } @@ -1722,7 +1722,7 @@ static void speakup_con_write(struct vc_data *vc, const char *str, int len) { unsigned long flags; - if ((vc->vc_num != fg_console) || spk_shut_up || synth == NULL) + if ((vc->vc_num != fg_console) || spk_shut_up || !synth) return; if (!spin_trylock_irqsave(&speakup_info.spinlock, flags)) /* Speakup output, discard */ @@ -1751,7 +1751,7 @@ static void speakup_con_update(struct vc_data *vc) { unsigned long flags; - if (speakup_console[vc->vc_num] == NULL || spk_parked) + if (!speakup_console[vc->vc_num] || spk_parked) return; if (!spin_trylock_irqsave(&speakup_info.spinlock, flags)) /* Speakup output, discard */ @@ -1766,7 +1766,7 @@ static void do_handle_spec(struct vc_data *vc, u_char value, char up_flag) int on_off = 2; char *label; - if (synth == NULL || up_flag || spk_killed) + if (!synth || up_flag || spk_killed) return; spin_lock_irqsave(&speakup_info.spinlock, flags); spk_shut_up &= 0xfe; @@ -1810,7 +1810,7 @@ static int inc_dec_var(u_char value) var_id = var_id / 2 + FIRST_SET_VAR; p_header = spk_get_var_header(var_id); - if (p_header == NULL) + if (!p_header) return -1; if (p_header->var_type != VAR_NUM) return -1; @@ -1893,7 +1893,7 @@ static void speakup_bits(struct vc_data *vc) { int val = this_speakup_key - (FIRST_EDIT_BITS - 1); - if (spk_special_handler != NULL || val < 1 || val > 6) { + if (spk_special_handler || val < 1 || val > 6) { synth_printf("%s\n", spk_msg_get(MSG_ERROR)); return; } @@ -1984,7 +1984,7 @@ static int handle_goto(struct vc_data *vc, u_char type, u_char ch, u_short key) static void speakup_goto(struct vc_data *vc) { - if (spk_special_handler != NULL) { + if (spk_special_handler) { synth_printf("%s\n", spk_msg_get(MSG_ERROR)); return; } @@ -2065,7 +2065,7 @@ speakup_key(struct vc_data *vc, int shift_state, int keycode, u_short keysym, u_char shift_info, offset; int ret = 0; - if (synth == NULL) + if (!synth) return 0; spin_lock_irqsave(&speakup_info.spinlock, flags); @@ -2135,7 +2135,7 @@ speakup_key(struct vc_data *vc, int shift_state, int keycode, u_short keysym, } } no_map: - if (type == KT_SPKUP && spk_special_handler == NULL) { + if (type == KT_SPKUP && !spk_special_handler) { do_spkup(vc, new_key); spk_close_press = 0; ret = 1; -- 2.11.0