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| author | Olof Johansson <olof@lixom.net> | 2013-04-02 18:33:58 -0700 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2013-04-02 18:33:58 -0700 |
| commit | 06b851e58b73a268f8092c2d990f697b2e7c53bd (patch) | |
| tree | a44e10462a39202b60636f8b102376a9c69169c1 /drivers/target/target_core_pscsi.c | |
| parent | 5f03dc2002f5dc85ce87e69caff7f28f17f5c9b2 (diff) | |
| parent | 17e7979f83c1de305fa81efb0aa7a3a56bd8121c (diff) | |
Merge branch 'lpc32xx/defconfig' of git://git.antcom.de/linux-2.6 into next/soc
* 'lpc32xx/defconfig' of git://git.antcom.de/linux-2.6: (604 commits)
ARM: LPC32xx: defconfig update: Cleanup (EXPERIMENTAL)
ARM: LPC32xx: defconfig update: Remove the museum NAND option
ARM: LPC32xx: defconfig update: Default drivers and cleanup
ARM: LPC32xx: defconfig update: gpio and keys
+ Linux 3.9-rc4
Signed-off-by: Olof Johansson <olof@lixom.net>
Conflicts:
arch/arm/Kconfig
Diffstat (limited to 'drivers/target/target_core_pscsi.c')
| -rw-r--r-- | drivers/target/target_core_pscsi.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c index 82e78d72fdb..e992b27aa09 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -883,7 +883,14 @@ pscsi_map_sg(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, pr_debug("PSCSI: i: %d page: %p len: %d off: %d\n", i, page, len, off); - while (len > 0 && data_len > 0) { + /* + * We only have one page of data in each sg element, + * we can not cross a page boundary. + */ + if (off + len > PAGE_SIZE) + goto fail; + + if (len > 0 && data_len > 0) { bytes = min_t(unsigned int, len, PAGE_SIZE - off); bytes = min(bytes, data_len); @@ -940,9 +947,7 @@ pscsi_map_sg(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, bio = NULL; } - len -= bytes; data_len -= bytes; - off = 0; } } |