Commit a0e5face authored by Chaehyun Lim's avatar Chaehyun Lim Committed by Greg Kroah-Hartman
Browse files

staging: wilc1000: linux_wlan_spi.c: fix kzalloc error check



This patch fixes error check of kzalloc.
If kzalloc is failed, return type is used as -ENOMEM.

Signed-off-by: default avatarChaehyun Lim <chaehyun.lim@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent fed16f2c
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+8 −14
Original line number Diff line number Diff line
@@ -125,10 +125,8 @@ int linux_spi_write(u8 *b, u32 len)
		int remainder = len % TXRX_PHASE_SIZE;

		char *r_buffer = kzalloc(TXRX_PHASE_SIZE, GFP_KERNEL);

		if (!r_buffer) {
			PRINT_ER("Failed to allocate memory for r_buffer\n");
		}
		if (!r_buffer)
			return -ENOMEM;

		if (blk) {
			while (i < blk)	{
@@ -208,10 +206,9 @@ int linux_spi_write(u8 *b, u32 len)
			.delay_usecs = 0,
		};
		char *r_buffer = kzalloc(len, GFP_KERNEL);
		if (!r_buffer)
			return -ENOMEM;

		if (!r_buffer) {
			PRINT_ER("Failed to allocate memory for r_buffer\n");
		}
		tr.rx_buf = r_buffer;
		PRINT_D(BUS_DBG, "Request writing %d bytes\n", len);

@@ -257,10 +254,8 @@ int linux_spi_read(unsigned char *rb, unsigned long rlen)
		int remainder = rlen % TXRX_PHASE_SIZE;

		char *t_buffer = kzalloc(TXRX_PHASE_SIZE, GFP_KERNEL);

		if (!t_buffer) {
			PRINT_ER("Failed to allocate memory for t_buffer\n");
		}
		if (!t_buffer)
			return -ENOMEM;

		if (blk) {
			while (i < blk)	{
@@ -337,10 +332,9 @@ int linux_spi_read(unsigned char *rb, unsigned long rlen)

		};
		char *t_buffer = kzalloc(rlen, GFP_KERNEL);
		if (!t_buffer)
			return -ENOMEM;

		if (!t_buffer) {
			PRINT_ER("Failed to allocate memory for t_buffer\n");
		}
		tr.tx_buf = t_buffer;

		memset(&msg, 0, sizeof(msg));