From: Colin King <colin.king@canonical.com> To: Boris Brezillon <bbrezillon@kernel.org>, Nicolas Pitre <npitre@baylibre.com>, linux-i3c@lists.infradead.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH][next] i3c/master: Fix uninitialized variable next_addr Date: Tue, 24 Nov 2020 12:35:04 +0000 [thread overview] Message-ID: <20201124123504.396249-1-colin.king@canonical.com> (raw) From: Colin Ian King <colin.king@canonical.com> The variable next_addr is not initialized and is being used in a call to i3c_master_get_free_addr as a starting point to find the next address. Fix this by initializing next_addr to 0 to avoid an uninitialized garbage starting address from being used. Addresses-Coverity: ("Uninitialized scalar variable") Fixes: 9ad9a52cce28 ("i3c/master: introduce the mipi-i3c-hci driver") Signed-off-by: Colin Ian King <colin.king@canonical.com> --- drivers/i3c/master/mipi-i3c-hci/cmd_v1.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i3c/master/mipi-i3c-hci/cmd_v1.c b/drivers/i3c/master/mipi-i3c-hci/cmd_v1.c index 6dd234a82892..d97c3175e0e2 100644 --- a/drivers/i3c/master/mipi-i3c-hci/cmd_v1.c +++ b/drivers/i3c/master/mipi-i3c-hci/cmd_v1.c @@ -293,7 +293,7 @@ static int hci_cmd_v1_daa(struct i3c_hci *hci) { struct hci_xfer *xfer; int ret, dat_idx = -1; - u8 next_addr; + u8 next_addr = 0; u64 pid; unsigned int dcr, bcr; DECLARE_COMPLETION_ONSTACK(done); -- 2.29.2
WARNING: multiple messages have this Message-ID (diff)
From: Colin King <colin.king@canonical.com> To: Boris Brezillon <bbrezillon@kernel.org>, Nicolas Pitre <npitre@baylibre.com>, linux-i3c@lists.infradead.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH][next] i3c/master: Fix uninitialized variable next_addr Date: Tue, 24 Nov 2020 12:35:04 +0000 [thread overview] Message-ID: <20201124123504.396249-1-colin.king@canonical.com> (raw) From: Colin Ian King <colin.king@canonical.com> The variable next_addr is not initialized and is being used in a call to i3c_master_get_free_addr as a starting point to find the next address. Fix this by initializing next_addr to 0 to avoid an uninitialized garbage starting address from being used. Addresses-Coverity: ("Uninitialized scalar variable") Fixes: 9ad9a52cce28 ("i3c/master: introduce the mipi-i3c-hci driver") Signed-off-by: Colin Ian King <colin.king@canonical.com> --- drivers/i3c/master/mipi-i3c-hci/cmd_v1.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i3c/master/mipi-i3c-hci/cmd_v1.c b/drivers/i3c/master/mipi-i3c-hci/cmd_v1.c index 6dd234a82892..d97c3175e0e2 100644 --- a/drivers/i3c/master/mipi-i3c-hci/cmd_v1.c +++ b/drivers/i3c/master/mipi-i3c-hci/cmd_v1.c @@ -293,7 +293,7 @@ static int hci_cmd_v1_daa(struct i3c_hci *hci) { struct hci_xfer *xfer; int ret, dat_idx = -1; - u8 next_addr; + u8 next_addr = 0; u64 pid; unsigned int dcr, bcr; DECLARE_COMPLETION_ONSTACK(done); -- 2.29.2 -- linux-i3c mailing list linux-i3c@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-i3c
next reply other threads:[~2020-11-24 12:35 UTC|newest] Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-11-24 12:35 Colin King [this message] 2020-11-24 12:35 ` [PATCH][next] i3c/master: Fix uninitialized variable next_addr Colin King 2020-11-24 15:48 ` Nicolas Pitre 2020-11-24 15:48 ` Nicolas Pitre 2020-11-24 15:48 ` Nicolas Pitre
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